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Parachrom · 28 July 2008, 01:49 AM

I read somewhere in this forum that SD are made with 904L steel. is the 16600 made with 904l ??

lordcon · 28 July 2008, 02:54 AM

Quote:

Originally Posted by Parachrom

I read somewhere in this forum that SD are made with 904L steel. is the 16600 made with 904l ??

The grade of steel is 904L in all current-model Rolex watches that have steel in them.

frostie · 28 July 2008, 02:58 AM

Quote:

Originally Posted by lordcon

The grade of steel is 904L in all current-model Rolex watches that have steel in them.

x2

marshallr47 · 28 July 2008, 03:52 AM

Yep 904L used on SS models.

stevemulholland3 · 28 July 2008, 04:27 AM

what year did they end the use of 3XX(cant remember if it was 316L or304L)-grade steel and switch to 904L?
was it gradual?

mike · 28 July 2008, 04:47 AM

The 168000 used 904 circa 88-89.

lordcon · 28 July 2008, 04:59 AM

Quote:

Originally Posted by stevemulholland3

what year did they end the use of 3XX(cant remember if it was 316L or304L)-grade steel and switch to 904L?
was it gradual?

I asked this same question on TZ some time ago, one of the responses i got was:

"they changed it circa 1987 on the Sub :

the Sub ref 168000 produced in '87 is made of the new harder 904L steel & was made for a few months after the previous ref 16800 using the 916 steel and just before the new 16610 also using 904L steel"

Hope that helps somewhat.

ROGERB · 28 July 2008, 05:21 AM

I think he meant 316L just before 904L....currently Omega, Breitling, etc use 316L
R

28 July 2008, 01:49 AM	#1
Parachrom "TRF" Member Join Date: Jul 2008 Location: canada Posts: 721	Is the SD 904L I read somewhere in this forum that SD are made with 904L steel. is the 16600 made with 904l ??

28 July 2008, 03:52 AM	#4
marshallr47 "TRF" Member Join Date: Oct 2006 Real Name: Ron Location: Alabama Watch: Daytona,TT Sub,GMT Posts: 4,673	Yep 904L used on SS models. __________________ Ron

28 July 2008, 04:27 AM	#5
stevemulholland3 Banned Join Date: Dec 2007 Real Name: steven Location: tampa bay Watch: 1680 18k sub Posts: 6,672	what year did they end the use of 3XX(cant remember if it was 316L or304L)-grade steel and switch to 904L? was it gradual?

28 July 2008, 04:47 AM	#6
mike "TRF" Member Join Date: Jul 2005 Posts: 22,683	The 168000 used 904 circa 88-89.

28 July 2008, 05:21 AM	#8
ROGERB "TRF" Member Join Date: Nov 2007 Real Name: Roger Location: WHITE ROCK BC Watch: 89 16610, 57 7914, Posts: 897	I think he meant 316L just before 904L....currently Omega, Breitling, etc use 316L R

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