Case - Case Material: Metal - Case Shape: Round - Crystal: Plastic - Case Colour: Silver - Bezel Function: - - Back: Stainless steel back Movement - Calendar: Day + Month - Complications: - - Display Type: Digital quartz movement - Movement: Quartz - Dial Style: Silver - Illuminated: LED - Numbers - Dial Colour: Green Display Strap - Strap Colour: Black - Clasp: Buckle clasp - Strap Material: Silcone Further Details - Product: Watch - Manufacturer: APUS - Model: Tau Silver Blue - Special Feature: Very Light - Logo on: Dial, Back - Guarantee: 2 Years Manufacturer"s Guarantee - Packaging: Original Packaging with Documents - Clasp: Buckle clasp Technical Details - Distance between lugs in mm/inches: 38 / 96.52 - Width of the Strap in mm/Inches: 18 / 45.72 - Diameter (without crown) in mm/inches: 38 / 96.52 - Weight in g/ounces: 51 / 1.8 - Height in mm/inches: 13 / 33.02 - Maximal Strap Circumference in mm/inches: 200 / 508.0 - Water-restistant (m/bar): 30 / 3.0