Seiko 4R39 Movement Details
Seiko caliber 4R39 is an automatic (with hand winding) watch movement produced from around 2011.
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|Power reserve:||41 hours|
|Day / date?||No|
|GMT / world time?||Yes|
|Number of jewels:||24|
|Size / diameter:||27.0mm|
|Stem code:||351200 (tap 10)|
|Balance wheel code:||310198|
|Notes:||Referred to by Seiko as an "open heart" caliber, because of the balance wheel being visible from the dial side. The same as cal. 4R38 but with a 24 hour indicator. Also sold as NH39.|
|PDF guides:||Technical guide for 4R38A & 4R39A|
|Related movements:||4R35 4R36 4R37 4R38|
- Seiko 4R36 -The Family In Brief [watcharama.com]