Omega Speedmaster Moonwatch Omega Co-Axial Master Chronometer Moonphase Chronograph - 44.25 mm Platinum Case - Platinum-Gold Dial - Green Leather Strap - 304.93.44.52.99.00344. 25 mm platinum case with anti magnetic protection, transparent back, green ceramic bezel ring with brushed platinum Liquidmetal tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, sand blasted platinum gold dial with 18K white gold indexes that are set with baguette cut emeralds, Calibre Omega 9905 self winding co axial master chronometer movement with chronograph and small seconds, approximately 60