41mm Submariner /GMT Style watch case NH34/35/36 Sapphire 10ATM

Build your ultimate diver or GMT with this 41mm Submariner/GMT-style watch case – crafted from 316L stainless steel with a versatile design compatible with NH34, NH35, NH36, 4R35, 4R36, 6R35, and 6R36 movements. Featuring a sapphire crystal, screw-down crown, and a unidirectional rotating bezel with a brushed/polished finish, this case offers durability and precision. Designed to fit 28.5mm dials with a 20mm lug width and 12.5mm thickness, it delivers a comfortable wrist presence. The transparent caseback (31mm outer, 29.5mm opening) allows a view of the movement inside. Available without logo – perfect for custom builds, modding, or complete watch assemblies.

Full Spec List:

• Case Material: 316L stainless steel – brushed/polished finish

• Case Diameter: 41mm (excluding crown)

• Case Thickness: 12.5mm

• Lug Width: 20mm

• Dial Fit: 28.5mm

• Glass Options: Sapphire crystal (flat) / Mineral glass

• Caseback: Transparent exhibition back – 31mm outer / 29.5mm opening

• Crown: Screw-down crown

• Bezel: Unidirectional rotating bezel 38x30.6mm

• Water Resistance: 10ATM (100 meters) – dependent on installation

• Compatible Movements: NH34 / NH35 / NH36 / 4R35 / 4R36 / 6R35 / 6R36

• Application: Custom builds, modding, diver/GMT projects