Seiko 15 Movement Details

Seiko caliber 15 is a hand winding watch movement produced from around 1959.

Sub-brands: Lady Seiko
Day / date?No
GMT / world time?No
Chronograph?No
Rate:19,800 bph
Number of jewels:21
Size / diameter:19.8mm x 9.6mm
Height:3.5mm
Stem code: 351152
Balance wheel code: 310150
Mainspring code: 401150
Notes:Used in ladies watches.
PDF guides: Technical guide for 15A
Related movements: 1500 1520