Militado 39mm Sapphire Crystal Chronograph Watch ML04

Watch Specification:
Series : ML04
Movement : OSS00 Chronograph Quartz
Attention: 0S00 Movement Chronograph hand may exist 0.5 second misaligned(deviation) is normal . PM us if any question in this ;
Luminous: Super BGW9,High Printing Lume
Hand: GS Finishing
Dial: Sunburst blue/Sunburst Green/Matte black
Glass: Sapphire Crystal,Clear AR Coating
Crown:Screw-in,316L Stainless Steel
Caseback: Screw-in, 316L Stainless Steel
Strap: Leather Strap
Buckle: 316L Stainless Steel
Waterproof: 100M
Watch Dimension:
Case diameter: 39mm without crown (1.54inch)
Case thickness: 11.8mm include glass (0.47inch)
Lug width: 47.55mm （1.87 inch）
Strap Width: 20mm (0.79inch)
Our Service
Warranty: 2 years ;
Returns policy:Please check the website“Return / Exchange / Warranty Policy

How to Reset  the OSOO chronograph to zero?