Mechanical watches have no battery, microchip, or circuitry. Watch parts are machined to near perfection at microscopic sizes and tolerances and can produce accuracy within 2 - 3 seconds per day. This mechanical watch works with the help of kinetic energy that is generated by your body through the hand motion.
A wonderful gift for boyfriend or friends or family. time spent with you just gets better and better every year!. Automatic winding mechanical movement lets you wear the watch anytime.