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Seiko 5 Adjustment

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2.5K views 10 replies 5 participants last post by  Stibble  
#1 ·
Can anyone give me an idea of the level of adjustment to timing on the Seiko 5 please (ie. how much for seconds/minutes).

Mike
 
#2 ·
Usually +- 10 to 15 seconds/day is good four mechanical regulation...depends how much time and finicky you are about accuracy. Using a toothpick method of back and forth, you can get pretty accurate. And then if you really want to regulate it, you take 3 to 5 reading on watch positioning and on the wrist over time and average the readings out! haha! My friend made his own mechanical regulator using a graded rod/screw-in system....he can split seconds in regulating the tweaking! He got his orange monster to 3 seconds/day.... :thumbup: