I want to identify my great-grandfathers watch

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I inherited my great-grandfather's, according to my Greatfather it's a watch that was probably bought in the late 40s early 50s. It's fully in yellow gold, with 18k mark.

The mechanism is working, last time it was serviced was in the 70s, I will look this week to service the piece, and maybe clean ( but not polish nor remove the patine).


I've cleaned the case with some humid cotton swabs, while the bracelet I've cleaned in a ultrasonic cleaner machine.

I am adding some photos

 
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Lovely. Gut tells me it’s all original but I’ll step back and let the experts weigh in. Tell the watchmaker …movement case clean only ..no dial or hands work. Possible crystal polish. I love the look.
 
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Definitely one of the nicer condition gold bracelets of that era, most of them are pretty rough by now
 
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It's a real treasure to have an heirloom like this one. Quite likely it has a movement from the 30mm family, but it's hard to say much without photos of the inside.
 
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Lovely. Gut tells me it’s all original but I’ll step back and let the experts weigh in. Tell the watchmaker …movement case clean only ..no dial or hands work. Possible crystal polish. I love the look.
My girl is just to clean the movement and case not the dial, I am planning to take to the official representative of omega here where I live.

I think it's all original, my Great grandfather used it daily until the 90s when he died, my grandfather then kept it on a safe for 3 decades.
 
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Definitely one of the nicer condition gold bracelets of that era, most of them are pretty rough by now
It was worn a lot I can see hundreds of photos of this watch on my Great grandfather's wrist, but he took care
 
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It's a real treasure to have an heirloom like this one. Quite likely it has a movement from the 30mm family, but it's hard to say much without photos of the inside.
This specific piece I am afraid of opening myself, I will take to the watchmaker and ask him to take a picture of the movement
 
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My girl is just to clean the movement and case not the dial, I am planning to take to the official representative of omega here where I live.

I think it's all original, my Great grandfather used it daily until the 90s when he died, my grandfather then kept it on a safe for 3 decades.
Around here, most of us would not allow Omega to touch this watch. We would go to an independent watchmaker with an Omega parts account. Omega have a tendency to replace parts without authorization. You might not recognize it when you get it back. If you must use them, get it written in blood. Clean and service only. No dial no hands work.
 
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Around here, most of us would not allow Omega to touch this watch. We would go to an independent watchmaker with an Omega parts account. Omega have a tendency to replace parts without authorization. You might not recognize it when you get it back. If you must use them, get it written in blood. Clean and service only. No dial no hands work.
Here where I live, there only one authorized omega maintenance shop in the country (Israel), and they were clear that they can only do cleaning and service, they cannot fix or change parts, and if needed they would send it to Swiss.
 
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Here where I live, there only one authorized omega maintenance shop in the country (Israel), and they were clear that they can only do cleaning and service, they cannot fix or change parts, and if needed they would send it to Swiss.
It is a nice watch and a beautiful heirloom. The point Larry was making is you don't want this watch sent to Switzerland if you want to keep it in original condition. Omega does not prioritize originality. If you want the watch to look shiny and new as possible and don't mind spending a lot of money, that is the route to go. If you want to keep the original charm and character of the watch and appreciate a little patina, you want to find an independent watchmaker. I would start a new thread asking for recommendations for a watchmaker in Isreal.
 
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Don't let it go to Switzerland. If necessary, sent it abroad to a trusted independent watchmaker.
 
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It is a nice watch and a beautiful heirloom. The point Larry was making is you don't want this watch sent to Switzerland if you want to keep it in original condition. Omega does not prioritize originality. If you want the watch to look shiny and new as possible and don't mind spending a lot of money, that is the route to go. If you want to keep the original charm and character of the watch and appreciate a little patina, you want to find an independent watchmaker. I would start a new thread asking for recommendations for a watchmaker in Isreal.
My goal is still to get my watched cleaned and serviced, to check if it's sealed against water so I can use it, but I don't want to clean out the patina, just want to know that it's working properly and I won't worry when I wash my hands.
 
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Don't let it go to Switzerland. If necessary, sent it abroad to a trusted independent watchmaker.
Will try to find one here
 
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My goal is still to get my watched cleaned and serviced, to check if it's sealed against water so I can use it, but I don't want to clean out the patina, just want to know that it's working properly and I won't worry when I wash my hands.
As an FYI, you should not expect that this watch will ever be water-resistant. It is not designed that way. You can see some water damage various places around the dial, and to avoid further damage, you will want to keep the watch far away from water, moisture, and humidity.
 
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Beautiful watch, keep it as original as possible and put lots of good wrist time on it. 🍻
 
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As an FYI, you should not expect that this watch will ever be water-resistant. It is not designed that way. You can see some water damage various places around the dial, and to avoid further damage, you will want to keep the watch far away from water, moisture, and humidity.
Don’t go to the beach … don’t even think about the beach when wearing this. Careful of hot humid sweaty days . This is a nice dress watch for the office and air conditioning and cool dry days.
 
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As an FYI, you should not expect that this watch will ever be water-resistant. It is not designed that way. You can see some water damage various places around the dial, and to avoid further damage, you will want to keep the watch far away from water, moisture, and humidity.
I just don't want to have the same problem I had with my grandfather's Rolex, that by simply washing my hands water flood in and it was a costly fix
 
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Don’t go to the beach … don’t even think about the beach when wearing this. Careful of hot humid sweaty days . This is a nice dress watch for the office and air conditioning and cool dry days.
No, it's only for special meetings o a occasions, I am afraid of moisture entering, where I live is super dry so I am not afraid of the water here per say
 
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I just don't want to have the same problem I had with my grandfather's Rolex, that by simply washing my hands water flood in and it was a costly fix
yes, that could happen. Its not a water resistant watch.