{"product_id":"the-seiko-c153-5007-is-a-historically-significant-calculator-watch-made-in-1977","title":"The Seiko C153-5007 is a historically significant calculator watch made in 1977","description":"\u003cp\u003eThis is the only one we have found complete with the \u003cstrong\u003eSeiko Stylus Included !!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eamazing condition \u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eSeiko C153-5007\u003c!--TgQPHd||[[\u0026quot;SHOPPING_PRODUCT\u0026quot;,2,\u0026quot;\u0026quot;,\u0026quot;EgciAJIBApwB\u0026quot;,\u0026quot;Seiko C153-5007 1977\u0026quot;,\u0026quot;\u0026quot;,\u0026quot;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\u0026quot;,null,0,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1],0,0,null,null,0,0,[],\u0026quot;\u0026quot;,0,0],\u0026quot;N649av-MEb6fhbIP6brZwA8_0\u0026quot;]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e is \u003cmark class=\"HxTRcb\" data-sfc-root=\"ep\" data-wiz-uids=\"OSLIlf_t\" data-sfc-cb=\"\" data-ved=\"2ahUKEwi_hMzcuqOVAxW-T0EAHWldFvgQuJAPeggIAggACBAQAg\" data-complete=\"true\" data-sae=\"\" data-sfc-inited=\"2\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 500; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003c!--qkimaf OSLIlf_s\/HugV6--\u003e\u003c!--cqw1tb OSLIlf_s\/HugV6--\u003ea historically significant, highly collectible \u003cspan class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-sfc-inited=\"2\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 500; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" data-hveid=\"CAIIAAgQEAM\" href=\"http:\/\/www.digital-watch.com\/DWL\/1work\/seiko-c153-5007\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 500; margin: 0px; text-decoration: underline 1px rgb(21, 88, 214); border-bottom: 0px rgb(21, 88, 214);' target=\"_blank\"\u003evintage digital calculator watch\u003c\/a\u003e\u003c!--TgQPHd||[[\u0026quot;http:\/\/www.digital-watch.com\/DWL\/1work\/seiko-c153-5007\u0026quot;,null,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[{\u0026quot;1218\u0026quot;:[16]}]],16,null,\u0026quot;SEIKO - C153-5007 - Calculator - Vintage Digital Watch\u0026quot;,\u0026quot;Stainless steel SEIKO | C153-5007- AKA [Quartz LC] \\u003e CALIBRE \\u003e WATER RESIST \\u003e ORIGINAL PRICE \\u003e BRACELET NO. FUNCTIONS \\u003e I have a light I have a calculator\u0026quot;,\u0026quot;https:\/\/encrypted-tbn1.gstatic.com\/images?q\\u003dtbn:ANd9GcTKTSOS9gMDumxfZAhuvQ0_IjBz98WG7Azy8BXQ2291uAwWbmoTo8X9zhCTZFlemxAqapGljtHcQjddFUY\u0026quot;,null,\u0026quot;https:\/\/encrypted-tbn1.gstatic.com\/faviconV2?url\\u003dhttp:\/\/www.digital-watch.com\\u0026client\\u003dAIM\\u0026size\\u003d128\\u0026type\\u003dFAVICON\\u0026fallback_opts\\u003dTYPE,SIZE,URL\u0026quot;,[[1782427191280191,4280254,4162215273],null,null,null,null,[[2,0,13]]],null,\u0026quot;1b13dacb-949a-4836-b9ff-fe6a4b51cb12\u0026quot;]]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/mark\u003e. Introduced by \u003cspan class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" data-hveid=\"CAIIAAgQEAQ\" href=\"https:\/\/en.wikipedia.org\/wiki\/Seiko\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 500; margin: 0px; text-decoration: underline 1px rgb(21, 88, 214); border-bottom: 0px rgb(21, 88, 214);' target=\"_blank\"\u003eSeiko\u003c\/a\u003e\u003c!--TgQPHd||[[\u0026quot;https:\/\/en.wikipedia.org\/wiki\/Seiko\u0026quot;,null,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[{\u0026quot;1218\u0026quot;:[16]}]],16,null,\u0026quot;Seiko - Wikipedia\u0026quot;,\u0026quot;Seiko Group Corporation (セイコーグループ株式会社 , Seikō Gurūpu kabushiki gaisha), commonly known as Seiko (\/ˈseɪkoʊ\/ SAY-koh, Japanese: [seːkoː] ), is a Japanese maker of watches, clocks, electronic devices, and semiconductors.\u0026quot;,\u0026quot;https:\/\/encrypted-tbn1.gstatic.com\/images?q\\u003dtbn:ANd9GcSiCQ2z2nUnHYTMOab1BYwxMD8EVoh2syyijdAN2Q5ewLb71Df-E-J546xLrzBunYlMzTZDzOHf5xWtSG8\u0026quot;,\u0026quot;Wikipedia\u0026quot;,\u0026quot;https:\/\/encrypted-tbn1.gstatic.com\/faviconV2?url\\u003dhttps:\/\/en.wikipedia.org\\u0026client\\u003dAIM\\u0026size\\u003d128\\u0026type\\u003dFAVICON\\u0026fallback_opts\\u003dTYPE,SIZE,URL\u0026quot;,[[1782427191280191,4280254,4162215273],null,null,null,null,[[2,0,14]]],null,\u0026quot;8dca2f4f-bf0f-4027-8ced-bbe0910f5d51\u0026quot;]]--\u003e\u003c\/span\u003e in \u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e1977\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e, it belongs to the brand's very first generation of LCD calculator timepieces\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eC153 module\u003c!--TgQPHd||[[\u0026quot;SHOPPING_PRODUCT\u0026quot;,2,\u0026quot;\u0026quot;,\u0026quot;EgciAJIBApwB\u0026quot;,\u0026quot;C153 module\u0026quot;,\u0026quot;\u0026quot;,\u0026quot;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\u0026quot;,null,0,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1],0,0,null,null,0,0,[],\u0026quot;\u0026quot;,0,0],\u0026quot;_a49atO6MvOChbIPyYvm2QM_2\u0026quot;]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e was Seiko’s official entry into the calculator watch market when it debuted in \u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003elate 1977\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"otQkpb\" aria-level=\"3\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 20px; font-weight: 600; margin: 24px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eKey Technical Specifications\u003c!--TgQPHd||[]--\u003e\n\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgXEAA\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eRelease Year\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e: Late 1977 \/ 1978.\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgXEAE\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eMovement\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e: Seiko C153 Quartz LCD.\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgXEAI\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eCase \u0026amp; Material\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e: Solid stainless steel rectangular\/dual-tone case with an integrated \u003cspan class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-sfc-inited=\"2\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" data-hveid=\"CAIIAAgXEAM\" href=\"https:\/\/www.ebay.co.uk\/itm\/226457208921\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 500; margin: 0px; text-decoration: underline 1px rgb(21, 88, 214); border-bottom: 0px rgb(21, 88, 214);' target=\"_blank\"\u003e22 mm bracelet\u003c\/a\u003e\u003c!--TgQPHd||[[\u0026quot;https:\/\/www.ebay.co.uk\/itm\/226457208921\u0026quot;,null,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[{\u0026quot;1218\u0026quot;:[16]}]],16,null,\u0026quot;SEIKO C153-5007 VINTAGE WATCH BRACELET 22 MM (SOLID ...\u0026quot;,\u0026quot;SEIKO C153-5007 VINTAGE WATCH BRACELET 22 MM (SOLID STAINLESS STEEL) ... Approx.\u0026quot;,\u0026quot;https:\/\/encrypted-tbn3.gstatic.com\/images?q\\u003dtbn:ANd9GcSOQw_Sb7teNjl7pd801pSy_2vyJWpyEtmehkrfg18bbB5VwLV4Ghw0_25uLCs9ZgWijYKdh0LsbpZZ5iA\u0026quot;,\u0026quot;eBay UK\u0026quot;,\u0026quot;https:\/\/encrypted-tbn3.gstatic.com\/faviconV2?url\\u003dhttps:\/\/www.ebay.co.uk\\u0026client\\u003dAIM\\u0026size\\u003d128\\u0026type\\u003dFAVICON\\u0026fallback_opts\\u003dTYPE,SIZE,URL\u0026quot;,[[1782427191280191,4280254,4162215273],null,null,null,null,[[2,0,21]]],null,\u0026quot;911272b5-dc1c-421e-a86b-683496fb2d8f\u0026quot;]]--\u003e\u003c\/span\u003e.\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgXEAQ\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eBattery Type\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e: Originally utilized a 390 cell; modern replacement standard is a \u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e389 battery\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgXEAQ\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eCore Functions\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e: Six-digit basic time display (hours, minutes, seconds), calendar (day and date), an internal display \"lamp\" backlight, and a built-in 8-digit math calculator\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"otQkpb\" aria-level=\"3\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 20px; font-weight: 600; margin: 24px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eOperational Features\u003c!--TgQPHd||[]--\u003e\n\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgaEAA\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eThe Stylus Requirement\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e: Because the front-facing calculator buttons are incredibly small, the watch originally shipped with a \u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003especial metallic stylus\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e tool to press them safely without causing damage. Many secondary market examples missing this stylus are operated gently using a toothpick or a clean pen cap.\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgaEAU\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eTime Setting\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e: Time and date configuration is unique for a digital piece; you must \u003cstrong class=\"Yjhzub\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003epull the physical crown out\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e (like an analogue watch) to flash the digits, adjust them using the pushers, and snap it back in.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgaEAU\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VINDIGI","offers":[{"title":"Default Title","offer_id":54353734074710,"sku":"C153-5007","price":400.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/8622\/0886\/files\/IMG_2380.jpg?v=1782427220","url":"https:\/\/www.vindigi.co.uk\/products\/the-seiko-c153-5007-is-a-historically-significant-calculator-watch-made-in-1977","provider":"VINDIGI","version":"1.0","type":"link"}