41 mm 316L stainless steel watch case designed for automatic movements and daily use. Solid construction, precise fit, and clear glass options make this case suitable for watch , , and regular wear. Key features Case material: 316L stainless steel for longlasting corrosion resistance and structural strength. Case size: 41 mm diameter, 12 mm thickness. Fit dial diameter: 30.5 mm. Fit strap width: 22 mm. Crown: positioned at 3 o'clock. Glass options: coated mineral glass or sapphire crystal glass; sapphire option available. Movement compatibility: fits 7s26, NH35, and NH36 automatic movements. Water resistance: rated to 200 m for reliable performance during swimming and diving. Back cover: solid stainless steel bottom cover. Color: Type B. Item includes: case, glass, bezel, back cover, crown. Benefits and practical details Easy assembly and maintenance: designed for straightforward installation and disassembly, letting hobbyists and technicians work quickly and accurately. Secure fit: a snug mating between case components limits movement and helps protect the movement from shocks during daily activities and sports. Clear, durable viewing: choose sapphire crystal for scratch resistance or coated mineral glass for a balance of clarity and cost. Precision sizing: matches common movement and strap standards so you can install dials, hands, and straps without extensive modification. Use scenarios Everyday wear: a worn case to restore water resistance and appearance for a daily automatic watch. Water activities: use with the 200 m water resistance rating for swimming, snorkeling, or ondeck activities. Watch servicing and : ideal for watchmakers and hobbyists fitting 7s26, NH35, or NH36 movements, or for customizing case color and glass type. What is included Case, glass, bezel, back cover, crown. Designed to provide a complete case package ready for movement and dial installation. Compatibility and notes Fits dials with a 30.5 mm diameter and straps of 22 mm width. Compatible with 7s26, NH35, and NH36 automatic movements. For adjustment and final assembly use standard watchmaking tools.