Casio C-801 Calculator Watch from 1980 Japan

This one started it all off

Now part of our Vault collection

our first Casio that opened the floodgates to collect them all!

Perfect working example in exceptional condition imported from Japan

The Casio C-801 is a highly collectible, vintage digital calculator watch first introduced by Casio in the 1980s.

Powered by the classic Casio Module 133, it features a distinct front-facing physical keypad below the liquid crystal display (LCD)

• Core Functions: Full 8-digit calculator (displaying six digits concurrently), 12/24-hour timekeeping, day/date calendar (pre-programmed until 1999), chronograph/stopwatch, dual time, and a daily alarm.
• Build Materials: Chrome-plated base-metal case paired with a stainless steel bracelet (typically original model number B-211N).
• Illumination: Equipped with a micro-bulb side light.
• Dimensions: Built with a 21.5mm lug-to-lug width.