Seiko 4005 Movement Details
Seiko caliber 4005 is an automatic watch movement. Production started around 1968 and production finished in 1969.
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|Day / date?||Date only|
|GMT / world time?||No|
|Number of jewels:||27|
|Notes:||The same as cal. 4006 but with date display only (no day). It has a 10-second mechanical alarm feature powered by a second mainspring.|