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Planet Ocean Chrono Cal. 9300 Rotor Wear or Rust?

chronograph diver omega planet ocean
djpharoah
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Hi everyone,

Noticed this on my new to me 9300 powered Omega Planet Ocean Chronograph. I鈥檓 not sure what the source is but I noticed there鈥檚 red dust in the main rotor towards the center arms that connects to the center bearing. (Not a watch maker so forgive my terminology).

Has anyone seen that before on an 9300 or any Omega movement and is that indicative of it needing a service? This was last serviced in 2015 by Omega but not sure of its use since then. It鈥檚 running like a champ and the chrono hand is in sync with the seconds sub dial.

Cheers!馃嵒

IMG_1807.webp IMG_1808.webp
 
Speed2Sea
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It's difficult to tell from the photographs, but could it be rust and not dust.
 
djpharoah
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Speed2Sea Speed2Sea
It's difficult to tell from the photographs, but could it be rust and not dust.
Yeah upon using a digital scope looks like it is rust/oxidation.
 
Speed2Sea
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djpharoah djpharoah
Yeah upon using a digital scope looks like it is rust/oxidation.
I'm certainly not an expert, but I would imagine the faster you can get it addressed by a watchmaker the better.
 
djpharoah
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Will take to Omega Boutique and have it checked out or serviced. Thanks all 馃憤
 
Archer
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It's not rust or red paint - it's the products of wear...here's what that looks like when a pivot on a wheel wears:

04e1687e-4702-4ff3-bda6-1815c0adb2bc.webp


And what the pivot looks like:

99c9c0c3-00aa-4155-9f59-67adbe00ac7b.webp


If I had to guess, it's likely the reversing wheels that are wearing out - they are very hardworking parts so this is not unusual. Service will take care of it, and if you get the old parts back please post what they replaced.
 
djpharoah
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Archer Archer
It's not rust or red paint - it's the products of wear...here's what that looks like when a pivot on a wheel wears:

04e1687e-4702-4ff3-bda6-1815c0adb2bc.webp


And what the pivot looks like:

99c9c0c3-00aa-4155-9f59-67adbe00ac7b.webp


If I had to guess, it's likely the reversing wheels that are wearing out - they are very hardworking parts so this is not unusual. Service will take care of it, and if you get the old parts back please post what they replaced.
Thanks for the info! Could they be why the watch is still performing pretty solidly on the timegrapher? It鈥檚 just time for a service? Is 10yrs a normal duration for this to happen?
 
Archer
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djpharoah djpharoah
Thanks for the info! Could they be why the watch is still performing pretty solidly on the timegrapher? It鈥檚 just time for a service? Is 10yrs a normal duration for this to happen?
The watch I showed photos of above had been in use for 7 years when I received it for service...

The co-axial escapement claims to have longer service intervals, but if you replace the tires on your car with more long lasting tires, dies that mean you have to change the engine oil less frequently?
 
djpharoah
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Archer Archer
The watch I showed photos of above had been in use for 7 years when I received it for service...

The co-axial escapement claims to have longer service intervals, but if you replace the tires on your car with more long lasting tires, dies that mean you have to change the engine oil less frequently?
Understood 馃憤 will be going to Omega asap to get the servicing. Thanks!
 
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