NH35 automatic movement, 21,600 vibrations per hour (3Hz), stop-seconds mechanism, bi-directional self-winding, 24 stones, 41 hours of energy storage
Synthetic sapphire crystal, scratch-resistant, wear-resistant and heat-resistant, coated with anti-glare blue coating, can clearly see the time
316L Stainless Steel Watch & Screw-down Crown 
316L stainless steel bracelet, anti-scratch wear-resistant and corrosion-resistant, double folding clasp to prevent the watch from falling off
Screw-down crown for greater water resistance
Super Luminous & 200M Waterproof 
Bezel with BGW9 Superluminova, blue light; hands and indexes with C3 Superluminova, green light
200M waterproof for swimming, diving, surfing and other water sports