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Denver Dick · 10 February 2010, 05:03 AM

Movement-wise, I believe the big jump for the DateJust was in 1977 with calibre 3035 (Ref. 16013), the frequency was increased from 19,800 to 28,800 bph and, I believe, it was the first to have Quick-Set. Here is a link, FWIW: http://www.chronometrie.com/rolex3135/rolex3135.html

10 February 2010, 05:03 AM	#43
Denver Dick "TRF" Member Join Date: Oct 2009 Real Name: Wayne Location: Ventura County CA Watch: TT DateJust 16013 Posts: 428	Movement-wise, I believe the big jump for the DateJust was in 1977 with calibre 3035 (Ref. 16013), the frequency was increased from 19,800 to 28,800 bph and, I believe, it was the first to have Quick-Set. Here is a link, FWIW: http://www.chronometrie.com/rolex3135/rolex3135.html __________________ Rolex DateJust 16013 Omega Railmaster 2503.52