Seiko 2415 Movement Details

Seiko caliber 2415 is an automatic (with hand winding) watch movement produced in the 1970s.

Sub-brands: Delica
Day / date?Date only
GMT / world time?No
Chronograph?No
Rate:28,800 bph
Number of jewels:23
Lift angle:47º
Size / diameter:19.0mm
Height:4.38mm
Stem code: 354240, 354241, 354242, 372240 (movement side), 373250 (crown side)
Balance wheel code: 310240
Mainspring code: 201241
Development division:Daini (Kameido, Tokyo)
Notes:A smaller version of cal. 2418
PDF guides: Technical guide for 2415A
Related movements: 2406 2409 2418 2419