Patek Philippe Nautilus Ladies Automatic - 35.2 mm - Steel - Silvery Opaline Dial - 7118/1200A-010 Challenge self-winding chronometer Omega 9301 movement

self-winding chronometer Omega 9301 movement with Co-Axial Escapement

El Primero 4069 automatic movement with chronograph

calculation of immersion time

Movement Automatic Hands Luminous Dial Color Skeleton Dial Type Analog Dial Markers Index Band Material Yellow Gold

Patek Philippe Nautilus Ladies Automatic - 35.2 mm - Steel - Silvery Opaline Dial - 7118/1200A-010 Challenge self-winding chronometer Omega 9301 movement35. 2 mm steel case, 8. 62 mm thick, sapphire crystal back, diamond set bezel, silvery opaline dial with gold applied hour markers and numerals with luminescent coating, caliber 324 S C self winding movement with date in an aperture, sweep seconds hand, approximately 35 45 hours of power reserve, steel bracelet, nautilus fold over buckle. Water resistant to 60 m.