Wrist Armor watches are designed for those who move towards the sound of chaos and are the first to battle tyranny, injustice and despair. Those brave men and women are true patriots and Wrist Armor celebrates them with their time tested watch designs. In addition, a donation is made to the US military with each watch sold. This wrist armor mens us air force c27 black silicone strap ana-digital watch features a quartz (battery operated) movement and has a black dial color. The case is 50 x 50 mm in size and includes a 2 year warranty. W10796 Features a quartz (battery operated) movement Includes a 2 year warranty The case is 50 x 50 mm in size Includes a 2 year warranty Includes a custom Black Bow Jewelry Company gift box