Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Sun Brushed Grey Dial - 329.30.44.51.06.001 Roman At the heart of this

At the heart of this chronograph is OMEGA’s mechanical calibre 1861

black inner bezel

29mm 18K yellow gold case

simplifying time adjustment with effortless precision

BRAND Audemars Piguet SERIES Royal Oak Concept Flying Tourbillon MODEL NUMBER 26228BC

Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Sun Brushed Grey Dial - 329.30.44.51.06.001 Roman At the heart of this44. 25 mm stainless steel case with antimagnetic design, transparent back, black ceramic bezel with tachymeter scale in orange wording and liquidmetal scale, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, sun brushed grey dial with racing style minute track, caliber 9900 self winding Co Axial master chronometer movement with chronograph and date functions, approximately 60 hours of power reserve, stainless steel