Omega Gents Constellation Chronometer Watch - 38 mm Brushed Red Gold Case - Silver Dial - 123.50.38.21.02.001 Oystersteel 36 mm steel case with

36 mm steel case with anti-magnetic protection

18K red gold bezel

41 mm yellow Rolesor case comprised of Oystersteel and 18K yellow gold

stop-seconds for precise time setting

36mm Oystersteel case

Omega Gents Constellation Chronometer Watch - 38 mm Brushed Red Gold Case - Silver Dial - 123.50.38.21.02.001 Oystersteel 36 mm steel case with38 mm brushed 18K red gold case, transparent back, domed scratch resistant sapphire crystal with anti reflective treatment both sides, silver dial, self winding chronometer Omega 8501 movement with Co Axial Escapement, date, and seconds, approximately 60 hours of power reserve, 18K red gold bracelet. Water resistant to 100 m.