Seamaster
45.5 mm black ceramic case with helium escape valve, transparent back, screw-in crown, unidirectional rotating...
45.5 mm black ceramic case with helium escape valve, unidirectional rotating bezel with an OMEGA...
39.5 mm black ceramic case with helium escape valve, transparent back, unidirectional rotating bezel with...
43.5 mm steel case with anti-magnetic protection and helium escape valve, transparent back, orange ceramic...
43.5 mm steel case with anti-magnetic protection and helium escape valve, transparent back, orange ceramic...
45.5 mm steel case with anti-magnetic protection and helium escape valve, transparent back, unidirectional bezel...
45.5 mm steel case with anti-magnetic protection and helium escape valve, transparent back, unidirectional bezel...