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edtheaussie · 8 September 2018, 04:31 PM

Hi guys,

I unfortunately bumped the crown on my GMT, so went to a local Watchmaker for the first time so see if he could fix it, as the crown was not screwing down. He luckily had a crown in stock, but on picking the watch up it is a little different to the original.

He said that it was an authentic rolex part, and I just wanted to check with some more knowledgeable folk. The size difference doesn't worry me too much, as I prefer a waterproof frequent wear, and the total cost was quite low + I retained the original. The watch also passed a pressure test.

The new crown measures at 5.9mm (~6mm) in diameter and 3mm thick. Do you know what this might normally be on (if authentic?)

Also would the correct crown for a 16710 be a 603-0?

Macnavara · 8 September 2018, 07:03 PM

Looks way too big....ive just had a new crown fitted to a 16710 at rolex service and its much smaller.
Ive always thought the crowns are too small and I think that one looks better but i wouldnt be happy about it looking non stock....im sure its genuine ....maybe its for a difference refence but id want to sleep easy knowing its water tight

padi56 · 8 September 2018, 07:22 PM

Quote:

Originally Posted by edtheaussie

Hi guys,

I unfortunately bumped the crown on my GMT, so went to a local Watchmaker for the first time so see if he could fix it, as the crown was not screwing down. He luckily had a crown in stock, but on picking the watch up it is a little different to the original.

He said that it was an authentic rolex part, and I just wanted to check with some more knowledgeable folk. The size difference doesn't worry me too much, as I prefer a waterproof frequent wear, and the total cost was quite low + I retained the original. The watch also passed a pressure test.

The new crown measures at 5.9mm (~6mm) in diameter and 3mm thick. Do you know what this might normally be on (if authentic?)

Also would the correct crown for a 16710 be a 603-0?

Twinlock 5.3 mm for 1675 and 16750

Twinlock 6.0 mm for 16760, 16700 and 16710

Triplock 7mm for 116710 CERAMIC

edtheaussie · 8 September 2018, 08:10 PM

Thanks for the replies guys.

It's definitely bigger, so will probably contact the watchmaker after the weekend and see if he's happy to change it to one I can source. It functions fine, but just looks out of place!

exador · 8 September 2018, 09:13 PM

Looks like a Sub crown.

watchmaker · 8 September 2018, 10:35 PM

Crown ref for 16710 is (604-0)

8 September 2018, 04:31 PM	#1
edtheaussie "TRF" Member Join Date: Jan 2016 Location: Australia Posts: 121	16710 replacement crown question? Hi guys, I unfortunately bumped the crown on my GMT, so went to a local Watchmaker for the first time so see if he could fix it, as the crown was not screwing down. He luckily had a crown in stock, but on picking the watch up it is a little different to the original. He said that it was an authentic rolex part, and I just wanted to check with some more knowledgeable folk. The size difference doesn't worry me too much, as I prefer a waterproof frequent wear, and the total cost was quite low + I retained the original. The watch also passed a pressure test. The new crown measures at 5.9mm (~6mm) in diameter and 3mm thick. Do you know what this might normally be on (if authentic?) Also would the correct crown for a 16710 be a 603-0?

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8 September 2018, 07:03 PM	#2
Macnavara "TRF" Member Join Date: Nov 2012 Location: United Kingdom Posts: 2,343	Looks way too big....ive just had a new crown fitted to a 16710 at rolex service and its much smaller. Ive always thought the crowns are too small and I think that one looks better but i wouldnt be happy about it looking non stock....im sure its genuine ....maybe its for a difference refence but id want to sleep easy knowing its water tight

8 September 2018, 08:10 PM	#4
edtheaussie "TRF" Member Join Date: Jan 2016 Location: Australia Posts: 121	Thanks for the replies guys. It's definitely bigger, so will probably contact the watchmaker after the weekend and see if he's happy to change it to one I can source. It functions fine, but just looks out of place!

8 September 2018, 09:13 PM	#5
exador Banned Join Date: Dec 2014 Location: NZ Posts: 2,600	Looks like a Sub crown.

8 September 2018, 10:35 PM	#6
watchmaker TechXpert Join Date: Feb 2009 Real Name: Scott Location: London Posts: 2,238	Crown ref for 16710 is (604-0)

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