Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Steel Case - Black Liquid Metal Bezel - Black Dial - Black Leather Strap - 304.33.44.52.01.001 2020 has a Rose Gold 31

has a Rose Gold 31 mm Case with Screw Down Crown and a Rose Gold

white pearled mother-of-pearl dial with a date window at 6 o’clock and 11 diamond indexes in rhodium-plated holders

extendable foldover buckle

2 mm Case Shape Round Case Back Transparent Crown Screw Down Bezel Rounded Octagonal Shape Movement Automatic Dial Color Green Dial Type Analog Dial Markers Arabic Band Material Composite Clasp Aquanaut fold-over clasp Gender Men's

1 mm thick

Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Steel Case - Black Liquid Metal Bezel - Black Dial - Black Leather Strap - 304.33.44.52.01.001 2020 has a Rose Gold 3144. 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, black leather strap. Water resistant to 100 m (330 ft).