Specifications per San Martin's site: **Brand: San Martin** **Model: SN0109-G GMT** **Movement: NH34\[Automatic mechanical movement\]** **Case: Material - 316L Solid Stainless Steel** **Case 39mm in diameter** **Bezel 39.8mm** **Lug to Lug 48.5mm** **Thickness 13mm** **Band width 20 mm** **Glass: Top Hat Sapphire Crystal Glass, AR Coating** **Bezel: Blue & Red Aluminum Bidirectional Bezel** **Dial Color: Spray Sand Black, Spray Sand White, Applied indices, Date Windows** **Hands: GS Crafts Snowflake Hands/GMT 4 Hands** **Luminous: BGW-9 Blue Light, Hands and Markers** **Crown: Screw-down Crown, With 3D Hexagonal Logo** **Case Back: Screw-down Case Back** **Strap: 316L Solid Stainless Steel Bracelet, Size 20mm \*16mm** **Clasp: New Fly Adjustable Clasp, With 3D Hexagon Logo** **Water Resistant: 10Bar=100 meters** **Weight: 148g**