Note: The initial state of the strap is that the screws of the removeable links are loosened to facilitate size adjustment. After you adjust the length of the strap, be sure to check and tighten all the loose screws to prevent the screws from loosening and causing the strap to break.  

Watch Specification:
Model: Octopus-BB 1958
Movement: PT5000  automatic movement
Case material: 316L stainless steel
Case back: 316L stainless steel
Glass: Sapphire domed sapphire Crystal  with blue ARCoating
Bezel Material: Ceramic( fully with luminous)
Hands: Pointer: GS Flat Applicator hands
Strap Material: 316L stainless steel rivet bracelet
Luminous: Swiss retroc yellow-BGW9 Super Luminous
Clasp: 4 micro adjustment stainless steel clasp,With Octopus Logo
Crown: Screw-in Lock
Waterproof: 200m / 20 ATM
Watch Dimension:
Case diameter: 39mm (without crown)
Case length: 47mm( lug to lug)
Case thickness: 11mm (without 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.