Omega Planet Ocean 2200.50 Running Fast: Service Advice

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My 2200.50 45mm PO is speeding up on me. Prior to my April 2026 purchase, it had what appears to be a 2024 partial service of some sort via a card I received with the watch with no information on the servicer but at that time running +4spd. I verified that with the Atomic Clock & Watch Accuracy app. It's been creeping faster over the last 6 weeks currently +9-10 spd. If I were to take it to the OB in Scottsdale (not having had the best of experiences there) what could I expect in terms of a full service $$-wise and would it get sent to Geneva? I also have a relationship with a California Omega AD where I purchased 2 Longines watches in the last 2 months. What might a full service involve? Thanks
 
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My 2200.50 45mm PO is speeding up on me. Prior to my April 2026 purchase, it had what appears to be a 2024 partial service of some sort via a card I received with the watch with no information on the servicer but at that time running +4spd. I verified that with the Atomic Clock & Watch Accuracy app. It's been creeping faster over the last 6 weeks currently +9-10 spd. If I were to take it to the OB in Scottsdale (not having had the best of experiences there) what could I expect in terms of a full service $$-wise and would it get sent to Geneva? I also have a relationship with a California Omega AD where I purchased 2 Longines watches in the last 2 months. What might a full service involve? Thanks

They will send it to the Swatch Group (Omega) service center in the Los Angeles area (Culver City), which is the closest.

But I would first get the watch demagnetized and see if that fixes the issue. You can do it yourself.

I had a 90s Rolex 3135 movement that started running fast because my Datejust sat too close to a coffee shop wireless cell phone charger. It sped up from around +3 seconds a day to +12 seconds a day. Demagnetizing brought it right back to +3. Most people associate magnetization with a watch running crazy fast (like minutes per day fast), but my experience is that it can speed up a watch only slightly, like several seconds fast per day.

Edited:
 
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Great idea. I do have a demagnitizer and should have thought of that
Good to go. Definitely watch the video above. A lot of people use the blue puck the wrong way (including me before watching).
 
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Great video! Those blue pucks come with little to no instruction so this was very helpful.
 
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It was slightly magnetized by about 50 points and demagnetized it with the blue puck demagnitizer. Now rechecking accuracy. Don't have a timegrapher.
 
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It was slightly magnetized by about 50 points and demagnetized it with the blue puck demagnitizer. Now rechecking accuracy. Don't have a timegrapher.
After demagnetization, the first accuracy check with the Atomic Clock and Watch Accuracy is showing it to be back to under +4spd.
 
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After demagnetization, the first accuracy check with the Atomic Clock and Watch Accuracy is showing it to be back to under +4spd.
Excellent!