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Keyless Works Issue - Omega 3330

margolisd
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margolisd WRT Addict

margolisd

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Hi folks. Does anyone have any ideas what might be wrong with this keyless works from an Omega 3330? (Similar to ETA 7750).

It won't stay in position 2. It jumps to position 3. I'm guessing the yoke or the setting lever is worn but I'm not sure which. It's not obvious to me how it even has a position 2... But it does!

 

IMG_1320.thumb.jpeg.78cbb8674b1a6b279c04174a83c4ca0a.jpeg

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margolisd WRT Addict

margolisd

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To add, parts for this movement are highly restricted. So I'm wondering if ETA 7750 keyless works part will fit. They look identical. But Omega tweaked with movement in so many ways it's hard to know...

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FLwatchguy73 Super WRT Addict

FLwatchguy73

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Without a doubt, the Omega 3330 setting jumper lever is different than the 7750's. The 3330 has only the one large ridge while the 7750 has 2. This means the Omega only has 2 positions because of this difference. However, the Omega changes the date via a button according to THIS thread over on Omega forums.

7750 setting jumper lever

1630404539_s-l500(3).jpg.eebccc2765a0f384d5c0ac9fca69c97b.jpg

This video details that operation skip ahead to 48 seconds

 

Edited by FLwatchguy73
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margolisd WRT Addict

margolisd

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2 hours ago, watchweasol said:

Hi  you may find these sheets handy in identifying the parts, I am not a   chrono man  arthritic fingers (old Age)  Mainly clocks and pocket watches do a few standard watches but chrono's to fiddly now.

3558_Omega 3303 - All2 (1).pdf 2.77 MB · 1 download 1455_Omega3303 Part 2 (2).pdf 4.12 MB · 1 download 1454_Omega3303 Part 1 (1).pdf 3.74 MB · 2 downloads

Thank you. It’s actually the 3330 I’m working on. Documentation seems very hard to find.

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      By PeterS · Posted

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      By oldhippy · Posted

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