The Animal Twister watch is a supreme piece of engineering and design at an astonishing price. Brand new for 2010 is the RIP System - Rider Induced Power, battery free kinetic energy that charges when you do! Constructed from marine grade stainless steel with a leather strap and custom clasp. Three hand movement with Luminova hands and markers. Scratch resistant anti reflective mineral glass and a crystal screw down case back that enables you to see the kinetic charging device in action!