Brand: San martin
Model: SN004GA
Movement: JapanNH35 [Automatic mechanical movement]
Case material: 316L Stainless Steel 
Caseback: Screw-in solid caseback
Bezel : 120 click unidirectional ceramic Bezel Insert
Watch mirror: Sapphire Crystal, imitating bubble mirror effect Swiss AR COATING coating inside
Dial: Matte black dial printed three-dimensional hour markers
Hands: batch flower hands plating gold
Luminous: Retro luminous effect (luminous color: yellow-green)
Crown: screw-in hydraulic three-dimensional Hexagon logo
Watch strap: solid five-ball steel strap
Clasp: Folding Clasp With Safety, New Fly Adjustable Clasp,With San Martin Hexagon Logo
Waterproof: 200 meters waterproof
Watch Dimension:
Case diameter: 38mm( without crown)
Lug length: 46mm (upper lug to lower lug)
Case thickness:  13mm (including mirror)
Lug width:20mm
Our service
Warranty: 2 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.