Seiko 8R48 Movement Details

Seiko caliber 8R48 is an automatic (with hand winding) watch movement.
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Sub-brands: Presage
Power reserve:45 hours
Accuracy:+25/-15 seconds/day (Seiko "C" standard)
Day / date?Date only
GMT / world time?No
Rate:28,800 bph
Number of jewels:34
Lift angle:52º
Size / diameter:28.0mm
Notes:The same as cal. 8R46 but with a stopwatch hour hand. Also sold as the NE88.
PDF guides: Technical guide : 8R48A & 8R49A
Related movements: 8R46 8R49

Part Codes

Stem code: 351200 (tap 10)
Balance wheel code: 310055
Mainspring code: 201178
Date wheel code: 878108 (white on black), 878109 (black on silver)
Screw codes: 012092, 012168, 012201, 012354, 012420, 012919 (ratchet wheel screw), 016709