Manufacturer Seiko Caliber Number 4R57, 4R57A Movement Type Automatic Lignes 12”’ Thickness 6.63mm Jewels 29 Vibrations Per Hour 21,600 bph...
Seiko NE57
Manufacturer Seiko Caliber Number NE57, NE57A Movement Type Automatic, self-winding mechanical Lignes 12”’ Diameter 27.4mm casing Diameter 29.36mm Thickness 6.63mm...
Recent Comments
Used in Invicta I-Force 3330 (2011 variant)
Will do... I did not know that they'll stamp the movement caliper on the surrounding…
Have one in my Hamilton Khaki Aviation. Keeps fantastic time. Crown and stem move smoothly,…
I asked YEMA directly about the reason why cmm.10 has second stop and cmm.20 not.…
Hi JH, thank you for the lift angle find. The specs chart was updated accordingly.
Hi PM, thank you for sharing a picture of your watch and your experience with…
I purchased the Skin Diver Slim over the holidays and discovered that the CMM.20 is…