Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Silvery Dial - Brown Leather Strap - 220.12.41.21.02.001 41.5 24 mm brushed 18K yellow

24 mm brushed 18K yellow gold case

integrated black rubber strap

and white leather strap with 18K white gold deployable clasp

18K Everose gold screw-down crown with twinlock double waterproofness system

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Silvery Dial - Brown Leather Strap - 220.12.41.21.02.001 41.5 24 mm brushed 18K yellow41 mm stainless steel case, transparent back, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, silvery dial with a horizontal teak pattern, caliber 8900 self winding Co Axial master chronometer movement with date function, approximately 60 hours of power reserve, brown leather strap. Water resistant to 150 m (500 ft).