Case material: Yellow gold; Charge: Automatic; Conditions: New Presentation condition : With boxes and all papers; Model: GMT Master II Price on request Gmtbroker Reference: 116718bk Super Exclusive & Extremely Rare Rolex Black Dial GMT-Master II 18Kt Yellow Gold w/ Ceramic Bezel 40mm This watch features:   - 18kt yellow gold case with polished finished edges & a brushed/satin finished top. - Black dial. - Applied polished 18kt yellow gold rimmed hour markers with luminescent fill. - Polished 18kt yellow gold hands with luminescent fill. Crown: - Patented "Triplock" locking crown crown ensuring that the crown screws down onto the Oyster case as securely as a submarine hatch. - Polished 18kt yellow gold. Bezel: - Bi-directional rotating bezel with 24 hour markings. - Polished 18kt yellow gold rimmed with a ribbed edge for a sure grip. - Black "Cerachrom" bezel insert, made of highly durable ceramic that is extremely hard that is is highly scratch-resistant, has excellent corrosion resistant properties & is unaffected by ultraviolet rays so the color will not fade. - - Matte yellow gold numbers & graduation indexes. GMT/2nd Time Zone Function: - GMT/Dual Time zone is indicated by the green hand with the luminous arrow-head tip pointing to the 24 hour indications on the bezel. NOTE: The GMT hour hand makes a single revolution once in 24 hours. - Brushed 18kt yellow gold bracelet with polished edges & center links. - Bracelet fitted the patented Glidelock Extension System buckle - a secure deployant style with adjustments in 2mm increments to a total