Power Reserve Of The 1120 Movement

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How long should a fully wound 1120 be able to run without additional input?
My 2254 only seems to run 24 hours or so is that usual or should it be a bit longer
Thanks
 
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Official number is 44 hours, but not unusual for them to go 48 or more. Your watch needs a service if it's only around 24 hours.
 
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Thanks @Archer.
It was a daily wearer until last year when I got a Speedmaster I still wear it occasionally for 2 or 3 days at a time During this time I haven't noticed any issues eg gaining /losing time.
What causes it to lose reserve capacity?
Thanks,
 
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How long since the last service?
 
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How long since the last service?
2007 model. -
Full Omega service - never.
Last year it had an inspection clean regulate and pressure test by a recently retired Omega qualified watchmaker.
 
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Last year it had an inspection clean regulate and pressure test by a recently retired Omega qualified watchmaker.

So was the movement serviced? If so, I would assume it's still under his warranty and he should fix it. If not, then it really needs a proper service.
 
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I don't think it was a full service, I only asked him to inspect it clean and regulate it I confess I forgot to ask him to do a pressure test he told me when he returned the watch that he'd done one.
I think it's going to need a service but I don't really want the expense at the moment if it's safe to defer it for a while. What is an Omega service likely to cost? Would an independent watchmaker be a better bet?
Many thanks,
 
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Service costs for whatever country you are in would be available on the Omega web site. You can certainly use an independent watchmaker also.
 
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Service costs for whatever country you are in would be available on the Omega web site. You can certainly use an independent watchmaker also.
Thanks I'll have a look at the website Given that it's not a daily wearer & keeps good time can I assume that it's OK to keep wearing it for a bit until I've sorted the service out?
Thanks
 
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It's completely up to you, but if it hasn't had a service since 2007, it's very much overdue.
 
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It's completely up to you, but if it hasn't had a service since 2007, it's very much overdue.
Noted - I'll look into getting it serviced before wearing it again. Thanks for all your replies, appreciate your time.