Omega Constellation Co-Axial Watch - 35 mm Steel Case - Bronze Dial - 123.10.35.20.10.001 Strap polished black ceramic dial with

polished black ceramic dial with orange Arabic numerals

calibre 9300 self-winding chronograph movement with column wheel mechanism and co-axial escapement for greater precision stability and durability

Quick-set movement Cal 3055

the case is waterproof—up to 100m 330ft

46mm Titanium - bio non-reactive metal harder than forged steel

Omega Constellation Co-Axial Watch - 35 mm Steel Case - Bronze Dial - 123.10.35.20.10.001 Strap polished black ceramic dial with35 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 .