Omega Constellation Co-Axial Watch - 35 mm Steel Case - Bronze Dial - 123.10.35.20.10.001 Strap and art-deco tonneau-style bezel are

and art-deco tonneau-style bezel are polished

the case is waterproof—up to 100m 330ft

Rolex calibre 4130 self-winding movement with chronograph central second hand

indexes and a vintage OMEGA logo all in 18K Sedna™ gold

Omega Constellation Co-Axial Watch - 35 mm Steel Case - Bronze Dial - 123.10.35.20.10.001 Strap and art-deco tonneau-style bezel are35 mm stainless steel case, transparent back, stainless steel bezel with engraved roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, bronze dial with a date window at 3 oclock, caliber 2500 self winding movement, approximately 48 months of power reserve, stainless steel bracelet. Water resistant to 10 bar .