This Omega is 41 mm titanium case, transparent back, self-locking crown, 18K sedna gold bezel with omega ceragold diving scale, sapphire crystal with anti-reflective treatment inside, blue dial with 18K sedna gold hands coated with vintage super-luminova, caliber 8400 self-winding movement, approximately 60 hours of power reserve, brown leather strap. Water resistant to 300 m (1000 ft).