Peer deep into the inner workings of this bulova automatic men's watch and you'll find something amazing - a complex system perpetuated by your body's natural movement. So industrial and fascinating, the sleek riveted 43. 0mm black ion-plated stainless steel case boasts a skeleton dial, large markers and red second hand. The 21-jewel self-winding movement means eco-friendly battery-free operation, years of reliable service and accurate timekeeping. The black ion-plated link bracelet secures with a fold-over clasp. Water-resistant to 30 meters, this watch includes a three-year limited manufacturer's warranty. We are an authorized bulova dealer.