Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Grey Dial - Blue Leather Strap - 220.13.41.21.06.001 Nery calibre 79350 automatic movement with

calibre 79350 automatic movement with chronograph

Pearlmaster bracelet with concealed folding Crownclasp

44 mm steel case with anti-magnetic protection and helium escape valve

hand-stitched shiny dark chestnut alligator strap with with square scales and cream-colored stitching

interchangeable full back and sapphire crystal back

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Grey Dial - Blue Leather Strap - 220.13.41.21.06.001 Nery calibre 79350 automatic movement with41 mm stainless steel case, transparent back, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, grey dial with a horizontal teak pattern, caliber 8900 self winding Co Axial master chronometer movement with date function, approximately 60 hours of power reserve, blue leather strap. Water resistant to 150 m (500 ft).