Vintage Omega help

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First time posting, first time owning an Omega (long time wishing). Hope some of you are able to help identify my watch.

It was my Grandfather’s and I believe he bought it second hand, probably in the 70s.

It is hallmarked 750 on the case side and another mark I can’t identify. There’s also a light mark on the inside of the clasp that is very difficult to make out (might be a series of numbers).

The strap is solid gold and the movement pops out as a separate piece (revealing the open watch face), with the Crystal staying in the strap.

No other markings that I can see, the face simply has the Omega symbol and name. I’ve had a look around online and there are similar watches but they seem to have ‘Swiss’ or a model/range name on the bottom of the dial. No Omega symbol on the winder.

Movement unknown but it keeps good time. Very light ticking if you hold it to your ear but almost silent. Takes about 6 winds at most.

Any help gratefully received - particularly interested in likely date/age and any other details. It is a keeper, not looking to sell.

Thanks all!


 
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I believe this is gentleman's, solid 18kt gold Omega wrist watch with a manual winding movement, dating to the early 1960's. The watch features a squared design and the dial has hour and minutes hands, but no sweep seconds hand. It has a fixed bracelet design, meaning the case and bracelet are attached, there are no lugs allowing for the attachment of a leather or other strap. The gold bracelet appears of a high quality mesh design, but I am unsure if this was fitted during production at the Omega factory, or custom fitted at a jewellers. The Omega logo on the bracelet clasp does not correspond exactly to the brand's actual logo. These types of gold bracelets were often made in Italy. Watches with fixed bracelets are less desirable for collectors, as other straps cannot be worn with the watch, there is no way to adjust the size of the band other than the options provided on the clasp and if the bracelet becomes damaged, the watch cannot be worn. As you plan to keep the watch you can get it serviced and wear it, as long as the bracelet fits. A competent jeweller may be able to come up options to lengthen the bracelet, but I would not shorten it. It will clean up very nicely.
 
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I believe this is gentleman's, solid 18kt gold Omega wrist watch with a manual winding movement, dating to the early 1960's. The watch features a squared design and the dial has hour and minutes hands, but no sweep seconds hand. It has a fixed bracelet design, meaning the case and bracelet are attached, there are no lugs allowing for the attachment of a leather or other strap. The gold bracelet appears of a high quality mesh design, but I am unsure if this was fitted during production at the Omega factory, or custom fitted at a jewellers. The Omega logo on the bracelet clasp does not correspond exactly to the brand's actual logo. These types of gold bracelets were often made in Italy. Watches with fixed bracelets are less desirable for collectors, as other straps cannot be worn with the watch, there is no way to adjust the size of the band other than the options provided on the clasp and if the bracelet becomes damaged, the watch cannot be worn. As you plan to keep the watch you can get it serviced and wear it, as long as the bracelet fits. A competent jeweller may be able to come up options to lengthen the bracelet, but I would not shorten it. It will clean up very nicely.

Thanks for your reply and input, really interesting. Fortunately, the strap does fit so no alterations needed; it is a beauty and although well worn still have a real feeling of quality - would love to know if it is a factory Omega strap or custom made for the mechanism back in the 60s.
 
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I would guess that the bracelet is authentic, and original to the watch. Some Omega bracelets were made in Switzerland and some were made in the destination country, but they are desirable either way. If you can take good clear photos of any hallmarks or engraving on the strap or bracelet, the experts may be able to provide more information.

How long does the watch run on only 6 turns of the crown?
 
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I would guess that the bracelet is authentic, and original to the watch. Some Omega bracelets were made in Switzerland and some were made in the destination country, but they are desirable either way. If you can take good clear photos of any hallmarks or engraving on the strap or bracelet, the experts may be able to provide more information.

How long does the watch run on only 6 turns of the crown?

Thanks for your input. Will see if I can get some better pics but the hallmarks are really tiny.

The 6 turns thing was what I was told by my father, however I have my doubts this is accurate. It seems to run well and keep good time.
 
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For a hand-winding watch like this, the usual approach is to fully wind the watch by turning the crown until it stops completely, i.e. until you can't wind it any more. The number of turns depends on the watch, but in my experience it will generally require at least a couple of dozen turns if the watch has completely run down, sometimes as many as 40. With six turns, you are barely winding the watch, the mainspring has very little energy stored and my be exerting less force. Most watches aren't really designed to keep the best time under these conditions.

Of course, these instructions are for when the watch has been serviced. Until then, it's best not to use it too much.
Edited:
 
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Dan says the bracelet is original. I just find it an odd mix.

The Omega logo on the dial doesn't match the one on the bracelet which is an older style design. Would think that Omega would match the design.

The case should have a reference number on the inside of the case back. You can email Omega and get information on the watch or you can also Google search on the reference number and see what shows up

DON
 
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Dan says the bracelet is original. I just find it an odd mix.

The Omega logo on the dial doesn't match the one on the bracelet which is an older style design. Would think that Omega would match the design.

I definitely agree with your observations. Just to clarify, when I said it might be original to the watch, I wasn't necessarily thinking it was from the factory in Switzerland. In fact, the whole watch may have been cased locally with a strap added in country or at the point of sale. It would be nice to see more photos of the watch and bracelet to learn more about the timeline, etc.