Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9SC5 Movement Type Automatic, self-winding mechanical, chronograph In-House? Yes Jewels 60 Beat...
Dual-Spring Barrel
Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9R31, 9R31A Movement Type Spring Drive, manual-wind In-House? Yes Jewels 30 Frequency...
Recent Comments
This screw number is for 4002X, 4003X, 4120X, 4210X, 4220X, 5010X, 5020X, 5021X, 5040X, 5030X,…
Tag Heuer WS2110-2 (1000 Superprofessional)
Feel free to post off-topic questions in the forum.
Very interesting, thank you! I will check out your YT channel. Off topic ... but…
It's just back-ratcheting, and another common debate in the watch community. Some say it is…
Here's a Q for you. When some people wind the crown - thumb towards 12-o'clock…
It depends on another variable: the person's fingers. A smaller crown can be harder to…