Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Black Dial - 329.30.44.51.01.001 listingdec22 black rotating inner bezel with

black rotating inner bezel with diving scale and zone from 60 to 15 minutes in green

calibre 9301 self-winding movement with column wheel mechanism and co-axial escapement for greater precision stability and durability

Brand Audemars Piguet Series Royal Oak Model Number 67630BC

caliber CHR 29-535 PS Q manually wound movement with split-seconds chronograph

yellow gold fluted bezel

Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Black Dial - 329.30.44.51.01.001 listingdec22 black rotating inner bezel with44. 25 mm stainless steel case with antimagnetic design, transparent back, black ceramic bezel with tachymeter scale in liquidmetal, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, black 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 bracelet. Water resistant to 50 m