Crown: Screw-down crown. Crystal: Sapphire glass.
39mm Rubber Watch Case Multi Colors Acrylic Glass Fits VK63 Movement
Case Size: 39mm. Watch Case: No logos.
SKX007 Modified 3.8 Crown Position 40mm Watch Case For NH34/NH35/NH36 Movements
Size: 40mm case, 3.8 crown position, compatible with bezel size 30.6-38mm