black rubber clad screw-locked crown
caliber 240 Q ultra-thin self-winding movement with perpetual calendar (day
Breitling 72 thermocompensated SuperQuartz™ movement
sunray-brushed dial with black transferred Roman numerals
37 mm 18K yellow gold case
Patek Philippe Grand Complications Perpetual Calendar Moon Phase Watch - 5140P-017 B09 black rubber clad screw-locked crown37. 2 mm platinum case, interchangeable full back and sapphire crystal case back, charcoal gray sunburst dial with gold applied hour markers, caliber 240 Q self winding movement with perpetual calendar (day, date, month, leap year by hands, moon phases, 24 hour dial), approximately 38 48 hours of power reserve, shiny black alligator strap with square scales, fold over buckle. Water resistant to 30 m.