Model: Time Master - number 1240 Viper MK1 Movement: NH35 automatic, 24 jewels, 41 hour power reserve, hacking seconds function Case: Matt black 316L stainless steel IP surgical grade, diam. 42mm, 12mm thick, caseback with visible movement, screw with engraved serial number, knurled crown with screw closure and logo Dial: Black, luminous index and hands, date at 3 hour Strap / Buckle: Silicon, 20mm Glass: Sapphire with anti-reflective coating Other features: Water resistant 50m Only Worn twice as I own the Aqua Marine so it just doesn’t get the wrist time sadly. Case diameter 42.00 Band width 20 Millimetres Case thickness 12.00 Complete with box and manual Like new condition Beautiful time piece