Invention of the Ball Bearing Rotor In 1948, Eterna announced a friction-reducing ball-bearing mounted rotor system as part of the...
Ball Bearing Rotor
Manufacturer ETA / Valjoux Caliber Number 7753 Movement Type Automatic Jewels 27 Power Reserve 48 hours Diameter 13 1/4”’ (30.00mm)...
Manufacturer Montblanc Caliber Number 4810 502 Base Caliber ETA / Valjoux 7753 Movement Type Automatic Lignes 13 1/4”’ Diameter 30mm...
Brand Mido Caliber Number 60 Base Caliber ETA A05.H31 Movement Type Automatic Jewels 27 Power Reserve 60 hours Lignes 13.25”’...
Manufacturer Montblanc Caliber Number 4810 503 Base Caliber ETA / Valjoux 7754 Movement Type Automatic, chronograph Lignes 13.25” Diameter 30mm...
Manufacturer ETA/Valjoux Caliber Number A05.H31 Base Caliber ETA 7753 Movement Type Automatic, self-winding mechanical, chronograph Lignes 13.25”’ Diameter 30mm Height...
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…