Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Sedna Gold Case - Black Diamond Dial - Black Leather Strap - 304.63.44.52.01.00144. 25 mm 18K Sedna gold case with anti magnetic properties, transparent back, 18K Sedna gold bezel with black ceramic ring and Ceragold tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, black sun brushed dial with diamond polished 18K Sedna gold indexes and hands, caliber 9905 self winding Co Axial master chronometer movement with chronograph and moonphase indication, approximately 60 hours of power

5mm 18K white gold case

40mm 18K white gold case set with 76 diamonds

5 mm steel case with anti-magnetic protection

The Sky-Dweller embodies technical prowess

second dark gray alligator-skin strap

Its water resistance of up to 100 meters underscores its versatility and practicality

Encircling the outer rim are minute markers

smoked blue enamel dial with white enamel Roman numerals and hour-markers

stainless steel and 18K Sedna gold bracelet

blue satin strap

Upper sub-dial: Oversized black printed 12

25 mm stainless steel and 18K Sedna gold case