Case material: White gold; Charge: Manual; Conditions: Used Presentation condition : With boxes and all papers; Model: Big Ben Price on request Gmtbroker Reference: 5850AL An 18k White Gold Big Ben Alarm Gents Wristwatch, black guilloche dial with arabic numbers,  centre seconds, 18k white gold tonneau shaped case,  alarm mechanism operated by the crown at 2 0'clock,  an original brand new black leather strap with an original 18k white gold buckle, sapphire glass, manual wind movement, in excellent condition, comes with a Franck Muller box and undated papers.