STEELDIVE SD1968 Men's Diving Watch 300M Waterproof Japan NH35 Automatic Movement BGW9 Luminous Sapphire Diver Watch (Blue)

・Movement type: Japanese NH35 automatic mechanical movement
・Case material: 316L stainless steel Back cover type: one-piece case, no back cover!
・Case diameter: 44mm (without crown) Case length: 50.7mm (total length from top to bottom) Case thickness: 17.2mm (including table mirror and bottom cover) Case ear position: 20mm
・Watch mirror material: anti-dazzling blue film, double bu, synthetic sapphire Crown type: screw-in Bezel material: ceramic
・Bezel features: 60 tooth ring unidirectional rotation Waterproof level: 300 meters waterproof/diving [can wash hands, swim, dive, meet all daily waterproof use]