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-   -   seiko 4R36 (https://www.rolexforums.com/showthread.php?t=722462)

v1triol 5 February 2020 03:12 AM

Quote:

Originally Posted by Scubaguy (Post 10336680)
Hello,
I recently (6 weeks ago) purchased a Seiko padi turtle with the 4R36 automatic movement. I plan on using this watch for scuba diving. The watch runs consistently fast.. approximately 40 sec per day. I wear the watch for several days at a time and have to reset it every 3 days. I own other automatic watches ( rolex and omega ) and never have to reset them this often ( if at all). I called Seiko repair in NJ and they said the specs is 45 sec per day and there is nothing they can do.
This is my first Seiko and I NEVER would have purchased the watch if I knew it was this inaccurate.. I debated returning the watch to the seller (Macys) but decided to see if it would improve with time or can be regulated better but Seiko said nothing they can do. The company should be embarrassed to make such an inferior movement.
Any ideas or comments?

4r36 is a basic work-horse movement from Seiko, which does not necessary means it is accurate...

Acceptable daily deviation is 80 seconds per day (-35 ~ +45 seconds)
Isochronism fault for 0-24h is;
- Dial upwards: ±20 s/d
- 6 o'clock at the top: ±30 s/d
- 9 o'clock at the top: ±30 s/d
Isochronism fault for 24h and later is ±30 s/d in each position.

Seiko Service is right, sorry you probably should read more before making this purchase.


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