Patek Philippe World Time Complications Watch - 7130G-01636 mm 18K white gold case, 8. 83 mm thick, sapphire crystal back, bezel set with 62 diamonds (~ 0. 82 ct), hand guilloched blue dial, caliber 240 HU self winding movement with World Time 24 hour and day night indication for the 24 time zones, approximately 48 hours of power reserve, shiny blue alligator strap with square scales, prong buckle set with 27 diamonds (~ 0. 21 ct). Water resistant to 30 m.