Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Grey Dial - Blue Leather Strap - 220.13.41.21.06.001 Automatic While its internal surface is

While its internal surface is shaped like a dome

Case diameter (10-4 o'clock): 32 mm

lugs and caseback

42 mm sedna gold case with anti-magnetic protection and helium escape valve

86 mm thick

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Grey Dial - Blue Leather Strap - 220.13.41.21.06.001 Automatic While its internal surface is41 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).