Steeldive Bronze CuSn8 SD1968S Mechanical Watch NH Movement - 1

Project code:SD1968S Brand name:STEELDIVE Movement model: Japan NH35 Movement type: Fully automatic mechanical movement Movement features: 3 hands/calendar, frequency 21,600 times per hour (3Hz), second stop device, two-way automatic winding, 24 stones, 41 hours of energy storage. Case material: CuSn8 bronze Case diameter: 44.00mm (excluding head) Case length: 50.70mm (total upper and lower length) Case thickness: 17.20mm (including crystal and bottom cover) Case lug position: 20.00mm (connection between case and strap) Head weight: 120g (excluding strap) Whole watch weight: 143g (including rubber strap) Luminous features: Swiss super luminous BGW9 Strap material: rubber, nylon strap Bezel material: ceramic ring/bronze ring Mirror features: synthetic sapphire, double divination, anti-glare blue film coated inside Bezel features: 120 teeth, counterclockwise one-way rotating timing bezel Bottom cover type: one-piece case, no bottom cover! Butt head type: screw-in screw lock button Butt head size: 7.00mm (diameter) Mirror size: 31.00*6.00mm (diameter*thickness) Bezel size: 39.00*31.20*1.20mm (outer diameter*inner diameter*thickness) Surface size: 29.30*29.00*28.40*0.40mm (wire hole*surface diameter*opening surface*thickness) Inner diameter of shadow circle on surface: 26.00mm Hand size: 8.30*11.50*12.50mm (hour hand*minute hand*second hand head length) Waterproof level: 300 meters waterproof/diving [can be used for hand washing, swimming, and diving, meeting all daily waterproof requirements] Water use]