Rotary Watch Henley GMT Mens GB05108/30. The robust Rotary watches Henley GMT boasts a scratch resistant ceramic uni directional bezel, sapphire glass and stainless steel 3 link bracelet with deployment clasp. The red arrow tip hour hand, which takes 24 hours to complete a full sweep of the dial, can be set independently from the main hour hand allowing a second time zone to be displayed and the rotating bezel enables a third time zone to be calculated, perfect for the international jetsetter. Features include large luminescent hour markers and hands, and 41.5mm case diameter. Water resistant to 100m.