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First jump hour service, wheel question.

m1ks

By m1ks
in Watch Repairs Help & Advice

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m1ks WRT Addict

m1ks

Posted
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Received and stripping my first jump hour.

The movement is no trouble. A simple 1 jewel pin pallet but the date/minute/hour (from the outside in) wheels are not budging. (Central pivot for seconds hand).

I suspect it has to be pulled off something akin to a cannon pinion but this being a particularly nice watch I want to wear I don't want to risk damaging it.

It's a Trafalgar Instantime.

Any pointers or ideas would be gratefully appreciated.

Thanks.

 

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noirrac1j Distinguished Member

noirrac1j

Posted
Posted

Yes, the seconds are friction fitted and can be removed using a pair of hand levers or .80mm screwdrivers inserted into the small slots seen in the picture.

Slide1.jpg.99242c2ef61d666a03a20a639b40ce2b.jpg

Apply steady,  upward pressure...not too much because the seconds disc may warp if you push up too hard. Slow and steady. Here a link to a jump hour overhaul I did a few years ago

 

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m1ks WRT Addict

m1ks

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Posted (edited)

Thank you, this gives me a bit more confidence to attack it again tomorrow.

I'll take a look through your service link.

Much appreciated.

Have taken a look through and that is perfect for my question. It looks to be near enough the exact same movement, though yours is a bit posher, it has a jewelled pallet fork pivot. :)

thanks again.

Edited by m1ks
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m1ks WRT Addict

m1ks

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Huge thanks to Joe above for the centre wheel removal pointer. Much appreciated.

Watch serviced and ticking away nicely with acceptable accuracy for this movement.

Nucejoe Distinguished Member

Nucejoe

Posted
Posted
1 hour ago, m1ks said:

Huge thanks to Joe above for the centre wheel removal pointer. Much appreciated.

Watch serviced and ticking away nicely with acceptable accuracy for this movement.

Collectible piece. 

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noirrac1j Distinguished Member

noirrac1j

Posted
Posted
3 hours ago, Nucejoe said:

Wow, this variant of bfg866 is ultra rare, the crytsal, dial.

 

 

 

 

 

 

Yes this one has three mag windows in the crystal...I used to have one of these but sold it a while ago.

 

J

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