Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 38 mm Steel Case - Blue Dial - Brushed And Polished Steel Bracelet - 220.10.38.20.03.001 Silvery-Sun 37 mm 18K yellow gold

37 mm 18K yellow gold case

gold applied hour markers with luminescent coating

guilloched silvery gray dial with powdered gold hour markers

44mm 18K white gold case

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 38 mm Steel Case - Blue Dial - Brushed And Polished Steel Bracelet - 220.10.38.20.03.001 Silvery-Sun 37 mm 18K yellow gold38 mm stainless steel case, transparent back, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, sun brushed blue dial with a horizontal teak pattern, caliber 8800 self winding Co Axial master chronometer movement with date function, approximately 55 hours of power reserve, brushed and polished stainless steel bracelet. Water resistant to 150 m (500 ft).