Piaget - Black Tie Gouverneur - Tourbillon Watch G0A38114

43 mm 18K white gold case, small sapphire back, 18K white gold bezel, silvered dial with gold threads with 18K white gold hour-markers and moon phases, caliber 642P hand-wound movement with moon phase indicator at 6 o'clock, seconds, hours, minutes, approximately 40 hours of power reserve, black alligator strap, ardillon buckle. Water resistant to 3 atm.