Watch Specification:
Model: Octopus-004
Movement: PT5000 automatic movement
Case material: 316L stainless steel
Case back: 316L stainless steel(logo engraved)
Dial Color: Black / White / Blue / Retro Black
Dial Material: Ceramics
Glass: Sapphire Crystal, AR Coating / Anti-glare Blue Coating
Bezel Material: Ceramics
Strap Material: Nylon Strap/Steel Mesh Bracelet
Luminous: Swiss C3/BGW9 Super Luminous
Crown: Screw-in Lock
Waterproof: 300m / 30 ATM
Watch Dimension:
Case diameter:42mm (without crown)
Case length: 47mm( lug to lug)
Case thickness: 13.5mm ( including glass)
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.