Manufacturer Seiko Caliber Number 4R34, 4R34A Movement Type Automatic Diameter 27.4mm (casing 27mm) Jewels 24 Vibrations Per Hour 21,600 bph...
4R34
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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…