41Mm Seamaster 300 case for NH35/36 ETA2824 PT5000 Miyota 8215 Solid Back 10ATM Sapphire

Build your custom Seamaster 300 case with this 41mm stainless steel diver case. Crafted from 316L stainless steel, it features a sapphire crystal, solid caseback, and 10ATM water resistance. The 41mm case, 14mm thickness, 20mm lug width, and 48mm lug-to-lug length deliver a balanced dive-watch profile. Compatible with NH34, NH35, NH36, ETA2824/2836, PT5000, and Miyota 8215 movements, and fits 29.7mm–31.3mm dials. A reliable foundation for custom builds and modding projects.

Full Spec List:

• Product: Seamaster 300 case

• Case Material: 316L stainless steel

• Case Diameter: 41mm

• Case Thickness: 14mm

• Lug Width: 20mm

• Lug to Lug: 48mm

• Glass: Sapphire crystal

• Caseback: Solid back

• Water Resistance: 10ATM (100 meters)

• Compatible Movements: NH34 / NH35 / NH36 / ETA2824 / ETA2836 / PT5000 / Miyota 8215

• Dial Fit: 29.7mm – 31.3mm

• Style: Seamaster 300-inspired diver

• Application: Custom builds, modding, dive watches

• SEO Keyword: seamaster 300 case