Seiko 5606 movement

Seiko caliber 5606 is an automatic with hand-winding watch movement produced from around 1968.

Sub-brands: Lord Matic
GMT/world time?No
Chronograph?No
Hacking?Yes
Rate:21,600 bph
Number of jewels:23, 25
Lift angle:56°
Movement size:11.5" or 25.6mm
Development division:Suwa (Nagano)
Notes:The plastic date corrector wheel in cal. 5606 is fragile and prone to breaking, resulting in the day/date setting not working. As these watches get older, it’s getting harder to find unbroken replacement wheels and creating new ones, e.g. from brass or other metal, is fiddly and time consuming.
Related movements: 5601 5605

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