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billiards74 · 3 January 2014, 06:04 AM

Hoping someone here can help....

I have a 1973 Datejust 1603 (SS). I'm looking to swap out the crown to 18k YG. The tube and crown are original to the watch. Crown measures 6mm. What I'm needing to know is... which 6mm crown will fit?

I ordered one. Seller didn't realize it was a 5.3mm. He sent another. This one measured 6mm. However, it wouldn't screw down to the tube.

Will I have to replace the tube as well? If so, what all do I need to accomplish such a task?

Thanks,
DJ

crowncollection · 3 January 2014, 07:00 AM

not always but yes sometimes you can have this problem, are you sure the crown is original ? you need 6mm crown twin lock

billiards74 · 3 January 2014, 07:08 AM

100% positive the crown and tube are original.

crowncollection · 3 January 2014, 08:49 AM

Yes but there is an old style crown tube and new style what age is the crown then is the question. ?

billiards74 · 3 January 2014, 09:06 AM

Both the crown and tube are from 1973.

I believe the crown I need is the 24-600-8.

crowncollection · 3 January 2014, 11:03 AM

yes correct crown and the tube is 24-6000 , check the seal in the tube has not moved or is stuffed and the same with the seal inside the crown. Is it a new crown ? if used could have crap thread that is why they sell these often. How do you know the tube is original to the watch and original ? best to get a crown and tube either new or if used buy one with both parts together next time and replace the seals before installation if necessary

3 January 2014, 06:04 AM	#1
billiards74 Banned Join Date: Jan 2014 Location: Louisiana Posts: 58	1603 Crown and Tube Hoping someone here can help.... I have a 1973 Datejust 1603 (SS). I'm looking to swap out the crown to 18k YG. The tube and crown are original to the watch. Crown measures 6mm. What I'm needing to know is... which 6mm crown will fit? I ordered one. Seller didn't realize it was a 5.3mm. He sent another. This one measured 6mm. However, it wouldn't screw down to the tube. Will I have to replace the tube as well? If so, what all do I need to accomplish such a task? Thanks, DJ

3 January 2014, 07:00 AM	#2
crowncollection "TRF" Member Join Date: Jan 2011 Real Name: David Location: australia Posts: 20,215	not always but yes sometimes you can have this problem, are you sure the crown is original ? you need 6mm crown twin lock __________________ watches many

3 January 2014, 08:49 AM	#4
crowncollection "TRF" Member Join Date: Jan 2011 Real Name: David Location: australia Posts: 20,215	Yes but there is an old style crown tube and new style what age is the crown then is the question. ? __________________ watches many

3 January 2014, 11:03 AM	#6
crowncollection "TRF" Member Join Date: Jan 2011 Real Name: David Location: australia Posts: 20,215	yes correct crown and the tube is 24-6000 , check the seal in the tube has not moved or is stuffed and the same with the seal inside the crown. Is it a new crown ? if used could have crap thread that is why they sell these often. How do you know the tube is original to the watch and original ? best to get a crown and tube either new or if used buy one with both parts together next time and replace the seals before installation if necessary __________________ watches many

3 January 2014, 07:08 AM	#3
billiards74 Banned Join Date: Jan 2014 Location: Louisiana Posts: 58	100% positive the crown and tube are original.

3 January 2014, 09:06 AM	#5
billiards74 Banned Join Date: Jan 2014 Location: Louisiana Posts: 58	Both the crown and tube are from 1973. I believe the crown I need is the 24-600-8.

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