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Old 16 April 2025, 06:03 PM   #1
TheVTCGuy
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My Seiko Accuracy on a winder.

I am wondering if anyone else has experienced something like this…

I wear my Rolex probably 40% of the time, the other 60% I wear a Seiko King Turtle Manta-Ray. GREAT watch by the way, highly recommended and I should post some pics, but that will be for another thread. My 126619, being White Gold, was really getting scratched up at my desk during a normal work day. I work out of my home so mostly I will wear the Seiko, it gets banged around but still looks and runs great. The issue is when I put it on a winder.

I have a single Wolf-Winder. Whichever watch I am not wearing will be placed on it, sometimes for several days. My Rolex keeps excellent time whether it’s on my wrist or on the Wolf, I really don’t notice any difference, however the Seiko is another story. On my wrist, it keeps excellent time. I set it to internet time and as an example, right now it has been worn three straight days and is 40 seconds slow. This works out to around 13 seconds a day, within the +- 15 seconds a day Seiko claims and for an automatic watch under $500 I really can’t complain. I could/should probably get it regulated, but over-all am very satisfied with every part of this watch. When it is on the winder however, I consistently find it slowing down. I wore my Rolex for a long weekend trip, the Seiko was on the winder for about 72 hours and set precisely before I left. In that three days it lost two and one-half minutes, or about 150 seconds. This is very consistent. Whenever the Seiko is on the winder it loses considerable time as compare to when I wear it on my wrist. The Wolf has several settings for direction of rotation, duration etc. I wonder if I should be trying different combinations(?). I haven’t really conducted a precise experiment with recorded data or anything, maybe I should.

Has anyone that uses a winder for their Seiko noticed a difference in the accuracy as compared to wearing it?
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Old 16 April 2025, 09:59 PM   #2
1William
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I am a huge Seiko fan and have quite a few watches. I have found that time keeping is average at best and you might as well not even mess with a winder as the time is going to be wrong and you will have to set it and wind it anyway. Does not take away from the watches for me it is just part of the ownership experience.
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Old 17 April 2025, 03:00 AM   #3
tgoose1
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As long as you have a very consistent running watch; in the hands of a true technician, it can be regulated to within a few seconds/day. After that, positional regulation overnight generally takes up the slack so the movement can hover around +/- 2.0sec per week. I’m assuming wrist wear of 8-10hrs/day. Of course, I have a local Rolex/trained watchmaker who maintains my Rolex’s and can sometime be bribed to regulate an “off-brand” from time to time!
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Old 18 April 2025, 11:48 PM   #4
Nikita70
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My King Turtle runs around +8spd. I don’t have a winder. I have 10 watches I shuffle so I’m used to setting time/date frequently.
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Old 3 May 2025, 10:59 AM   #5
HEVfan
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Your Seiko runs fine on the wrist but loses time on the winder, which is common. Winders don’t mimic natural wrist movement perfectly, so accuracy can vary. Try adjusting the winder settings or just manually wind it when needed. A regulation could improve accuracy if it bothers you.
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Old 11 May 2025, 11:43 PM   #6
CKLinLA
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My own experience with my Seikos is that they run slower whenever the remaining power reserve is lower. Plus it seems like they need a lot of winding to manually get the power reserve up.

If I hand wind a lot (40+ turns) before I start wearing it for the day, the accuracy seems much better. Try doing this and check if you see any difference in the accuracy.
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