Seiko 4R57 Movement Details

Seiko caliber 4R57 is an automatic (with hand winding) watch movement.
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Sub-brands: Presage
Power reserve:41 hours
Accuracy:+45/-35 seconds/day
Day / date?Date only
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:21,600 bph
Number of jewels:29
Lift angle:53º
Size / diameter:29.36mm
Height:6.63mm
Notes:Has a power reserve indicator. The date is shown in a sub-dial.
PDF guides: Technical guide : 4R57A

Part Codes

Stem code: 351200 (tap 10)
Balance wheel code: 310185
Mainspring code: 201287
Screw codes: 012100, 012168, 012310, 012354, 012919 (ratchet wheel screw)

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