Case - Diver I - 41mm - GMT bezel - NH34A robust case with brushed surfaces and a see through case back with a 120 click unidirectional GMT bezel. A screw down crown, sapphire crystal and screw in case back protect your watch movement against dirt and water. The case is available with a see through or solid steel case back and fits the NH 35 movement or any similar sized ones (e. g., NH35 38) and our 28. 5mm dials. This case is also available with all our GMT bezels please let us know, if