Free give  a extra rubber strap

Model No：SD1975

Movement:Japan Seiko NH35 Automativ Movement

Movement Feature:24 Jewels, 41 Hours Power Reserve, 21600/h (3Hz) Frequency, Bidirectional Self Wind

Case Material:316L Stainless Steel

Case Craft:Matting

Back Material:316L Stainless Steel

Back Cover:Screw-in Back Cover

Case Diameter:47.5mm (Excluding Crown)

Case Length:44mm (Include Lug)

Case thickness:15mm (Including Mirror To Back Cover)

Lug To Lug:22mm

Case Weight:95.5g(Excluding Strap)

Watch Weight:121g(Including Rubber Strap)

Watch Length:260mm(Including Strap)

Strap Material:Rubber Strap/Stainless Steel Strap/Genuine Leather Strap

Mirror Material:Synthetic Sapphire Mirror

Mirror Coating:Anti-Reflective Blue Coating

Mirror Size:31.5*3.9mm (Diameter*Thickness)

Crown Style:Screw-in Crown

Crown Diameter:7mm

Bezel Size:38*31.6*1.2mm(Outer Diameter*Inner Diameter*Thickness)

Bezel Material:Ceramic

Bezel:Unidirectional Rotation Bezel

Bezel Luminescent:Swiss C3 Super Bright Luminescent, Green

Dial Luminescent:Swiss C3 Super Bright Luminescent, Green

Hands Luminescent:Swiss C3 Super Bright Luminescent, Green

Waterproof:300m Waterproof

Hands Length:8*12*12mm（Hour Hand*Minute Hand*Second Hand）