Product Model:SD1940SV

Brand:STEELDIVE

Movement:Japan NH35 Automatic Movement

Case Material:Bronze

Back Material:316L Stainless Steel

Back Cover:Screw-down Back Cover

Case Diameter:39mm (Excluding Crown)

Case thickness:12mm (Including Mirror To Back Cover)

Lug To Lug:44mm

Strap Width:20mm

Watch Weight:83.9g（(Including Rubber Strap)

Watch Length:250mm(Including Strap)

Strap Material:Rubber Strap/Leather Strap

Mirror Material:Synthetic Sapphire Mirror

Mirror Coating:Anti-Reflective Blue Coating

Mirror Size:33.5*1.8mm (Diameter*Thickness)

Crown Style:Screw-down Crown

Crown Diameter:7mm

Dial Luminous: BGW9 Luminous

Hands Luminous: BGW9 Luminous

Water Resistant:200m

Hands Length:9.0*14.5*14.5mm（Hour Hand*Minute Hand*Second Hand）