Watch Specification:
Brand: Cronos
Model: L6031
Movement: Miyota 90S5 / PT5000 automatic movement
Case material: 316L stainless steel
Case back: 316L stainless steel
Watch mirror: Flat Sapphire glass with clear AR-Coating
Water resistance: 100 m /10 ATM
Luminous: BGW9 Super Luminous (Blue)
Crown: Screw-Down
Case: Screw-Down Case
Bracelet: Brushed stainless steel
Watch Dimension:
Case diameter:39mm (without crown)
Case length: 47.5mm( lug to lug)
Case thickness: 10.75mm 
Lug width 20mm
Our Service
Warranty: 3 years 
Returns policy: Please check the website“Return / Exchange / Warranty Policy” 
Style: automatic watch, dive watch, luxury watch 
Package: watch, box, warranty card, user manual
Service: Support retail, wholesale. OEM/ODM. Please contact the seller if necessary.