Seiko 4216 Movement Details

Seiko caliber 4216 is an automatic (with hand winding) watch movement produced in the 1980s.

Sub-brands: Seiko 5
Day / date?Day + date
GMT / world time?No
Rate:21,600 bph
Number of jewels:17
Size / diameter:23.4mm
Stem code: 351420
Balance wheel code: 310421
Mainspring code: 201420
Development division:Daini (Kameido, Tokyo)
PDF guides: Technical guide for 4216A
Related movements: 4219