The Dive Watch Connection

So I have a weird question about my nh35a. I have been wearing my MWW No 4 diver for over a month now and was +/- 2-4sec a day. At first if I placed it face up it would gain time. About a week ago it stopped doing it. When I move the watch around it sounds like the rotor isn't moving as freely as it should. It also has been running slow -3 to 5sec. I know this is ok, well within parameters. So my big question is this...is the rotor loud or quiet in a nh35a and should I take it in. The watch was new when I bought it. Thank you

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Have any doubts contact the company you bought it from.

I've had/have a few watches with the nh35 movement. It's not a quiet movement. I'd question MWW, but also give it a few weeks and see if it keeps time consistantly.

Nothing stay the same forever, you have small parts and oil working together. Temperature might affect the operation too, but it seems that the difference is minute.

Seiko movements for me end up all over the place. When I got my SRP777 it was around 20 seconds slow a day. I dialed it in where with positional variance I could rest it where it would never get more than a few seconds away from actual time. In the last week it started gaining about 5 seconds a day minimum no matter what I do. It’s not bad so I haven’t opened it up again.

Ok, it's about -4 sec slow a day which is fine. I just cant fet it to speed up when laying face up at night. Thank you

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Seiko NH35A has an accuracy rating of -20 to +40 seconds a day.. Be thrilled you've got on running at -4..

I did some test, how long it runs, positions, etc... no matter the position it kept to -4 a day. Stayed wound for about 40 hrs.

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MtnMdc wrote: ↑

Sat Jan 12, 2019 2:11 am

I did some test, how long it runs, positions, etc... no matter the position it kept to -4 a day. Stayed wound for about 40 hrs.

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sounds perfect.