Model: GMT-Master II 'Batman' Reference: 116710BLNR Date: Purchased 24th June 2015 Movement: 31-jewel Cal.3186 automatic, Microstella balance, freesprung Parachrom balance spring, adjusted to 5 positions and temperature, No.9AV3937 Dial: Black, luminous filled dot hour markers, baton quarters, outer minute divisions, magnified date aperture at 3, polished Mercedes hands with luminous inserts, centre seconds, further arrow tipped dual time hand Case: Brushed and polished tonneau form, screw down back, inner case back stamped 2350, fixed bezel with black and blue 'Batman' 24 hour Cerachrom insert, shouldered crown, No.89V744A0 Strap/Bracelet: Brushed and polished Oyster link Buckle/Clasp: Signed folding clasp, stamped H4T Signed: Case, dial & movement Size: 40mm Accompaniments: Rolex box, outer card, International Guarantee, instruction manual, spare link, swing tag 注脚 The Rolex Cerachrom bezel on the 116710 BLNR is a complicated piece of engineering in itself. Rather than sandwiching two different coloured pieces of ceramic next to each other, Rolex patented a process whereby a wholly blue bezel is created which is still permeable to the black colouring when it is added. The black and blue combination has fondly been nicknamed the Batman.