Omega Speedmaster Mark II Co-Axial Chronograph Watch - 42.4 mm Barrel-Shaped Polished And Brushed Steel Case - Matt Black Dial - Steel Bracelet - 327.10.43.50.01.001 II interchangeable full back and sapphire-crystal

interchangeable full back and sapphire-crystal back

Brand Patek Philippe Series Calatrava Model Number 5196P-001 Model Year Call for Enquiry Production Year Call for Enquiry Condition Call for Enquiry Box/Papers Box & Papers Case Material Platinum Case Size 37 mm Case Shape Round Case Back Solid Crown Screw Down Movement Manual-Wind Dial Color Silver Dial Hands Luminous Dial Type Analog Dial Markers Arabic Band Material Leather Clasp Tang Buckle Gender Men's Watch Style Dress Watch

ornate dial has been made using an 18K yellow gold base plate with full or outlined butterflies

self winding caliber CH 28-520 C movement with 60-minute and 12-hour monocounter chronograph and date

center seconds and date

Omega Speedmaster Mark II Co-Axial Chronograph Watch - 42.4 mm Barrel-Shaped Polished And Brushed Steel Case - Matt Black Dial - Steel Bracelet - 327.10.43.50.01.001 II interchangeable full back and sapphire-crystal42. 4 mm x 46. 2 mm barrel shaped polished and brushed stainless steel case, caseback engraved with the Seahorse medallion, flat scratch resistant sapphire crystal with anti reflective treatment both sides, matt black dial, self winding chronometer Omega 3330 movement with chronograph, small seconds, and date, approximately 52 hours of power reserve, stainless steel bracelet. Water resistant to 100 m.