Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 38 mm Steel Case - Blue Dial - Blue Structured Rubber Strap - 220.12.38.20.03.001 Bracelet unidirectional rotatable 18K yellow gold

unidirectional rotatable 18K yellow gold bezel with blue Cerachrom insert and gold coated numerals and graduations

bidirectional rotatable 60-minute graduated bezel with matt black Cerachrom insert in ceramic

crystal white silvery dial with diamond hour markers and scratch-resistant saphire crystal

sun-brushed opaline-silvery dial with an exterior minute track

the mainplate of the movement acts as the dial with white indications

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 38 mm Steel Case - Blue Dial - Blue Structured Rubber Strap - 220.12.38.20.03.001 Bracelet unidirectional rotatable 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, blue structured rubber strap with grey lining. Water resistant to 150 m (500 ft).