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Split stem and crown come out of constellation 167.015

reggie_v
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Hi All,

This has been covered before but I’m a little confused as I’m reading mixed info.

I’ve got a monocoque constellation ref 167.015. I went to set the time today and the split stem and crown have come out. I can push the stem and crown back in and wind the watch but I can’t set the time.

I read something about these monocoque cases where it’s common for this to happen. Can I just push the stem back in? Seems it would need a lot of force and I don’t want to damage the movement.

Or am I looking at a visit to my watchmaker?

Appreciate your help!

IMG_7557.webp IMG_7558.webp
 
Wat-1
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Possibly The setting lever spring as broken very common and not to difficult to repair or replace . Have you got a picture of the movement? Also on the crown side you can sometimes close up the claws a tiny bit to make it a little tighter if it comes apart to easily
 
Wat-1
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You don't need to force it at all the stem only goes in so far sometimes you need to turn it a little bit it goes as far as the setting lever spring and then you need to press in the little button on the back of the movement for it to go a little more and then lock in but as your stem just pulls out this part may be damaged
 
reggie_v
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Wat-1 Wat-1
Possibly The setting lever spring as broken very common and not to difficult to repair or replace . Have you got a picture of the movement? Also on the crown side you can sometimes close up the claws a tiny bit to make it a little tighter if it comes apart to easily

Thanks for the response. No pics of the movement although it should be a 551 as far as I’m aware. The claws fit to the stem fine, it’s just the crown and stem have both popped out so assuming it’s a movement issue. As you mentioned setting lever likely
 
Wat-1
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You're welcome if your comfortable removing the back cover you could easily test and see if this part has failed by putting the stem back in and press the little button (press very lightly) and seeing if it locks back in. I've purchased a few non working faulty omegas exactly like this were the stem has come out and all I had to is just press the button and put back in possibly the previous owner was to forcefully or was dropped and the setting lever jumped out of place on the stem. Or shoot it to A watch maker and they'll easily fix this for you
 
Peemacgee
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unfortunately, as the OP says, the 167.015 ( and 168.025) is a monocoque case - so everything has to come out through the front.
 
reggie_v
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Seems it’s a trip to the watchmaker in that case. Hopefully as Wat1 says it’s an easy fix and just a matter of a loose screw.

The movement has been serviced recently (this year) so I’m not expecting anything major, but always best to prepare for the worst I suppose.

Any further input still appreciated
 
reggie_v
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Peemacgee Peemacgee
unfortunately, as the OP says, the 167.015 ( and 168.025) is a monocoque case - so everything has to come out through the front.

Exactly, I really like the monocoque cases but they are limiting in situations like this. No casual popping off the case back 😂
 
Wat-1
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Peemacgee Peemacgee
unfortunately, as the OP says, the 167.015 ( and 168.025) is a monocoque case - so everything has to come out through the front.
Ohh guess I've learnt something new today 🙄😂 sorry I didn't realise maybe it's not as easy as unscrewing/ Poping off the back cover lol
 
reggie_v
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Wat-1 Wat-1
Ohh guess I've learnt something new today 🙄😂 sorry I didn't realise maybe it's not as easy as unscrewing/ Poping off the back cover lol

Yeah they’re unusual cases, found on this reference, seamaster cosmic is another with a monocoque or front loading case.

Appreciate your input anyway as reckon you’re right on the screw for the lever setting being loose
 
rendo
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OP, hopefully you can get this sorted out with the watchmaker who recently serviced the watch. Just to note, this movement does not have a setting lever screw like most Swiss movements. Instead, it uses a setting lever spring on the dial side to keep the lever in place.

1756131914916.webp
 
reggie_v
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rendo rendo
OP, hopefully you can get this sorted out with the watchmaker who recently serviced the watch. Just to note, this movement does not have a setting lever screw like most Swiss movements. Instead, it uses a setting lever spring on the dial side to keep the lever in place.

1756131914916.webp

Thanks Rendo, seems likely this has failed then. I actually checked and the watch is still under warranty with the dealer I purchased from so will contact them first. Hopefully they honour it!
 
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