Omega Seamaster Aqua Terra Co-Axial Annual Calendar Watch - 38.5 mm Red Gold Case - Teak-Silver Dial - 231.50.39.22.02.001

38.5 mm 18K red gold case, transparent back, screw-in crown, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, teak-silver dial with index hour markers, self-winding chronometer Omega 8611 movement with Co-Axial Escapement and annual calendar, approximately 55 hours of power reserve, 18K red gold bracelet. Water resistant to 150 m.