Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Steel Case - Black Liquid Metal Bezel - Black Dial - 304.30.44.52.01.001 983J001 it ensures exceptional precision and

it ensures exceptional precision and a power reserve of approximately 70 hours

27 mm brushed stainless steel case

transparent sapphire-crystal disk for sky chart and Milky Way

captivates with its dazzling allure

Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Steel Case - Black Liquid Metal Bezel - Black Dial - 304.30.44.52.01.001 983J001 it ensures exceptional precision and44. 25 mm stainless steel case with anti magnetic properties, transparent back, screw in crown, black liquid metal bezel with tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, black sun brushed dial, caliber 9904 self winding Co Axial master chronometer movement with chronograph and moonphase indication, approximately 60 hours of power reserve, stainless steel bracelet. Water resistant to 100 m (330 ft).