Seiko 5619 Movement Details

Seiko caliber 5619 is an automatic watch movement produced from around 1972 until 1974.

Sub-brands: Duotime
Accuracy:+25/-15 seconds/day (Seiko "C" standard)
Day / date?Date only
GMT / world time?Yes
Chronograph?No
Hacking?Yes
Rate:21,600 bph
Number of jewels:23
Lift angle:56º
Size / diameter:11.5" or 25.6mm
Development division:Suwa (Nagano)
Notes:Used in two "Duo-Time" models. Has a plastic quick-set gear that is known to be fragile.