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Rare Vintage Casio B812 Men’s Digital Sports Watch Module 58 JDM 1970s
■ THIS EXACT PHOTOGRAPHED WATCH IS ONE OF ONE. ONCE IT SELLS, THIS PAGE BECOMES AN ARCHIVE.
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► SELLER'S DESCRIPTION
for sale is a rare vintage Casio B812 men’s digital sports watch, powered by Module 58 and produced exclusively for the Japan Domestic Market (JDM) during the 1970s. This model represents one of Casio’s early lithium-powered digital watches, reflecting the brand’s early commitment to innovation and precision craftsmanship during the formative years of digital watchmaking.
The watch is in full working condition, and all parts are 100% original, including the stainless steel case, bracelet, clasp, and module, with the original Casio signed clasp still intact.
The watch is in excellent physical condition, showing minimal wear and maintaining a sharp, well-preserved appearance for its age. The photos best describe its overall physical condition.
Key Details
• Brand: Casio
• Model: B812
• Module: 58
• Era: 1970s
• Origin: Japan Domestic Market (JDM)
• Movement: Digital Quartz (Lithium-powered)
• Case Material: Stainless Steel
• Bracelet: Original Casio stainless steel bracelet with signed clasp
• Condition: Excellent physical condition; full working order
• All Parts: 100% Original
A beautifully preserved early Casio digital from the 1970s — a standout example of the brand’s early design language and engineering excellence.
Ships carefully. Feel free to message me with any questions.
► MANUAL ARCHIVECasio module 58 manual PDFs
► ARCHIVE FILE: CASIO — BRAND HISTORY
Casio brought an electronics company's imagination to the wrist, moving from calculators to the calendar-equipped Casiotron in 1974. G-Shock toughness, Databank utility, and affordable icons such as the F-91W turned the company into a digital-watch giant whose early modules and resin-cased designs are now a distinct collecting field.
Read the full Casio story — and shop all Casio watches ►► RELATED TIMEPIECES DETECTED (4)
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