Case - Diver I - 41mm - NH35/38A robust case with brushed surfaces and a see through case back with a 120 click unidirectional 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., NH36 38) and our 28. 5mm dials. Please note that our cases are available with and without cut stems. If you