Product Specifications: Movement: 21 Jewels Orient Japan Automatic Movement Power Source: Automatic Winding Case: Titanium Bracelet: Titanium Roll Caseback: Titanium Water Resistant: 50m Weight: 3.70 OZ. Case diameter: 43.5mm Gift Box: Orient Premium Gift Box Color: BLACK Product Features: Mechanical Watch with Automatic Winding Kinetic Motion Inspired Mechanisms Internal Twenty One Japanese Jewels Automatic Movement Oscillation Frequency: "21;600 oscillations per hour (6 beats per sec)" Shock-proof Bearings Scratch Resistant Mineral Crystal Rotating Slide Rule Calculations: Multiplication and Division Currency Conversion Distance Conversion in nautical mile; status mile and kilometer. Luminous Hands and Markers Date and Day Calendar Design Engineering in Japan Terms and Conditions: http://cgi3.ebay.com/ws/eBayISAPI.dll?ViewUserPage&userid=kenmarcollections