Hexagon Storm Mechanical Wristwatches Series name Hexagon Storm Movement type: automatic winding mechanical movement Power reserve up to 36 hours Pointer style: Special-shaped three-pin type Dial diameter 44 mm Dial thickness 13 mm Strap width 20 mm Watch circumference 240 mm Watch mirror Sapphire anti-glare mirror Case material: 316L stainless steel Dial Color Crescent White/Prussian Blue/Graphite Black Strap material One bead stainless steel strap/imported first layer cowhide Buckle type Classic double-button butterfly buckle Waterproof rating 5 ATM Warranty service One year warranty Hexagonal Custom Dial: Movement type: mechanical movement Pointer style:specual-shaped three-pin Watch band type: Domino steel band/ Leather band Crown type: screw-in type Clasp type:classic double-button butterfly buckle 48h Power Reserve -10/+15 seconds/day range 21600 times/hrotation frequency 316L Stainless Steel Dial color: white/black/blue Strap material: stainless steel/ leather Watch mirror: sapphire anti-glare mirror