Rare Seiko Instruments Ruputer Pro, also known as the OnHand PC – a pioneering Japanese wrist computer from the late 1990s. Features a large 52.6mm digital display, multiple function buttons, and PC connectivity via docking station. Includes original dock, cable, and software CD.
Brand: Seiko Instruments Inc. (SII)
Model: Ruputer Pro / OnHand PC
Era: Late 1990s – early 2000s
Case Size: 52.6mm (approx)
Thickness: 17.9mm (approx)
Case Material: Stainless steel & plastics
Movement: Digital wrist computer (requires PC connection for full features)
Strap: Replacement Casio strap
Wrist Size: adjustable
Battery: CR2025 x2 (as marked on caseback)
Functions: Watch, scheduler, stopwatch, memo, games, apps (expandable via PC)
Condition: Vintage pre-owned – light wear, fully operational (see photos)
Inclusions: Watch, original dock, cable, software CD
A highly collectible example of early wearable tech and Japanese innovation. Perfect for collectors of Seiko, retro gadgets, or rare digital watches.
