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Help on identifying crown and tube type!


Brucy

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Ok, being a complete noob here and amazed at how wonderful this site is, I stuffed the keyless works on my GMT so when I got my sub I was keen to remove the stem and crown properly this time which I did, only to find that not all crowns are equal! Funny that should have been blatantly obvious but I thought once I got the outside measurement I would be fine!

Can someone please help me identify which is the correct crown I need? Have attached picture of the crown I bought from RWG on the left and the sterile one I actually need to replace on the right! Which is also the same crown type that's on my sterile GMT

Many thanks and if you could also point me to where I might get one that would be fab!

Thanks everyone for some awesome expertise and great reading

c414a1c53008e4e2d866765cf4f15d3f.jpg

Edited by Brucy
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Wow thanks guys, OK, so the left crown is a TC branded crown as far as I'm aware and the right crown is sterile which is why I want to change out. Both tubes fit the stem on both my GMT and Sub, but the crown on the left does not screw onto either case, both watches look to be Parnis I assume and I was hoping to mod.

GMT is a 166110 style and the movement no longer sets correctly. My skills are not there yet to fix so I thought I might try to mod my Sub instead, will add some pics but really appreciate the help thanks

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My sub on the left which I plan to mod until I develop the skills to attack my GMT which is on the right in pieces still... The movement still winds, but you can't set it with the crown in any position anymore which is why I understand the problem to be with the keyless works7942095ffe4ccf1cdaefa90ed86f6327.jpg

Edited by Brucy
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Looks like a 703/704. I guessing it's for a BNLR? Did you damage the crown which is why you want to replace it? If so how if you just screwed up the keyless? Anyhow, not enough information.

Sorry dbane, was that the crown on the left is a 703/704 or the one on the right

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