Patek Philippe Nautilus Diamond Bezel Black Dial Silver Strap Mad Watch Quartz Movement Dated Watch For Men's Best Men's Collection PK 2139 Waist Belts Perfectly compatible with iOS Android and Earphone Perfectly compatible with iOS Android and all mobile phones with bluetooth fuction Specifications: #GA 2100SU 1A Casio G Shock Carbon Core Guard Series Carbon Case Resin Band and Camouflage Bezel Black Dial Analog and Digital Display Mineral Glass Neobrite Shock Resistant Carbon Core Guard Structure 200m Water Resistance Double LED Light World Time 1 100 Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Hand Shift Feature Full Auto Calendar (to Year 2099) 12 24 Hour Format Button Operation Tone On Off Regular Timekeeping Accuracy: 15 Seconds Per Month Size of Case: 48 Brand: Patek Philippe Strap Material: Stainless Steel