Watch specifications:
Model: watchdives x san martin SN0121G
Movement: NH35 [Automatic mechanical movement]
Case material: 316L stainless steel
Glass: Sapphire Crystal, AR Coating
Bezel: 120 Clicks Matte Ceramic Unidirectional Bezel, with BGW9 Luminous Markers
Dial Color: Matte Black and Matte Blue
Luminescence: BGW-9 Blue Light, Bezel, Hands, and Markers
Crown: Screw-down Crown, with 3D Hexagon Logo
Case Back: Screw-down Case Back, Brushed Process
Strap: 316L Solid Stainless Steel, Brushed Front, Polished Sides, 20mm * 16mm Width
Clasp: Folding Clasp with Safety, Fly Adjustable, with San Martin Hexagon Logo
Water Resistant: 30Bar = 300 Meters
Date Window: at 3 o'clock
Watch Dimension:
39 mm in diameter
Open Dial: 28.5mm
Lug to Lug 47mm
Thickness 12.8mm (Including Glass)
Band Width 20mm
Weight: 152g Warranty 
Packing: watch, box, warranty card, user manual