Omega Seamaster Steel Rose Gold Mens Watch 184.108.40.206.01.001 Box Card. Automatic self-winding chronometer, Co-Axial Escapement movement. Certified Master Chronometer, approved by METAS,resistant to magnetic fields reaching 15,000 gauss.Free sprung-balance with silicon balance spring,automatic winding in both directions. Rhodium platedfinish with Geneva waves in arabesque. Caliber 8800. Stainless steel and 18K Rose gold case 42mm in diameter. Conical design helium escape valve at 10 o’clock. Omega logo on a crown. Exhibition transparent case back. 18k Sedna rose gold unidirectional rotating bezel with polished black ceramic fill. Satin finished Ceragold diving scale. Luminous dot at the starting point (green colored emission). Scratch resistant sapphire crystal.