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ROLEXROLEXROLEXROLEXROLEXROLEX
ROLEXROLEXROLEXROLEXROLEXROLEX
11 June 2008, 12:15 AM
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"TRF" Member
Join Date: Nov 2007
Location: Euro
Posts: 522
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ROLEX steel 904L not the best;(
Hi all Rollie-lovers!
904L steel from Rolex seems to be the best watch steel ever...however, it is not. The hardness of the Rolex 904L is ~490HV(Vickers) and the "common" watch steel 316L is ~400HV.  But did you know some manufacturers use steel with >700HV, even 1200HV and 1500HV!!!! The 1500HV steel beats the 904L on the DS SD easily... since a 1500HV steel case without the "Rolex SD gas esc. system" can dive to 2000m without any problems! Sad "news" for Rolex SD! 
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