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rkb · 11 March 2009, 05:15 AM

Is there anything different internally on the sport models that make them "tougher" than say a dressier watch like a DD or DJ. I get the obvious external differences such as the trip lock crown, crown guards etc. I read once that when the Explorer was introduced it owed it's existence to Rolex's continued efforts to improve the waterproof case and shock proofing. I wonder if the tool watches still have more internal shock protection than the others or if they are all at the same level of ruggedness, if for no other reason than for uniformity of production.

SLS · 11 March 2009, 05:19 AM

No. the Sub Date, Sea Dweller (old & new style), Yachtmaster OP Date & Datejust all share the same cal. 3135 movement with no modifications at all, the cases are just designed differently.
~Scott

cody p · 11 March 2009, 05:30 AM

and the Air-King, Oyster Perpetual, Explorer and Submariner (no date) share the exact same caliber 3130.

vapalux · 11 March 2009, 06:26 AM

I use DJ's for tool watches sometimes, even vintage ones. They will take all sorts of hammer and carry on telling perfect time. Don't be fooled by the supposed image of a DJ. They are solid timepieces.

Si

11 March 2009, 05:15 AM	#1
rkb "TRF" Member Join Date: Mar 2009 Real Name: Russell Location: Seattle Metro Watch: EXPORER II Posts: 605	Tool watch techincal question- Is there anything different internally on the sport models that make them "tougher" than say a dressier watch like a DD or DJ. I get the obvious external differences such as the trip lock crown, crown guards etc. I read once that when the Explorer was introduced it owed it's existence to Rolex's continued efforts to improve the waterproof case and shock proofing. I wonder if the tool watches still have more internal shock protection than the others or if they are all at the same level of ruggedness, if for no other reason than for uniformity of production. __________________

11 March 2009, 05:19 AM	#2
SLS "TRF" Member Join Date: Aug 2006 Real Name: Scott Location: GMT -7 Watch: GMT's & Sub's Posts: 10,401	No. the Sub Date, Sea Dweller (old & new style), Yachtmaster OP Date & Datejust all share the same cal. 3135 movement with no modifications at all, the cases are just designed differently. ~Scott __________________ "The bitterness of poor quality remains long after the sweetness of lower price is forgotten." -Benjamin Franklin Member No. 922

11 March 2009, 05:30 AM	#3
cody p "TRF" Member Join Date: Jun 2008 Location: Canada Watch: Air-King 114200 Posts: 2,878	and the Air-King, Oyster Perpetual, Explorer and Submariner (no date) share the exact same caliber 3130.

11 March 2009, 06:26 AM	#4
vapalux "TRF" Member Join Date: Nov 2008 Real Name: Si Location: united kingdom Posts: 1,655	I use DJ's for tool watches sometimes, even vintage ones. They will take all sorts of hammer and carry on telling perfect time. Don't be fooled by the supposed image of a DJ. They are solid timepieces. Si

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