Rotary Watch Seamatic Blue GB05430/05. This Henley Seamatic divers watch features a stainless steel case and 3 link bracelet, which is secured by a Divers Z clasp for optimised security. The blue dial, which displays luminous indices and open hour/minute hands, is protected beneath sapphire glass which hosts a cyclops magnifier over the date window. This timepiece also features a blue unidirectional bezel, and on the side of the 42mm case is a crown and crown guard. Powered by a reliable Miyota 8215 movement, the watch is water resistant to 300m.