Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Black Dial - Black Leather Strap - 220.13.41.21.01.001 48 caliber 8500 self-winding movement with

caliber 8500 self-winding movement with automatic winding in both directions to reduce winding time

alligator strap with 18K gold deployant buckle

18K yellow gold bezel

stainless steel pin buckle

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Black Dial - Black Leather Strap - 220.13.41.21.01.001 48 caliber 8500 self-winding movement with41 mm stainless steel case, transparent back, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, black dial with a horizontal teak pattern, caliber 8900 self winding Co Axial master chronometer movement with date function, approximately 60 hours of power reserve, black leather strap. Water resistant to 150 m (500 ft).