Marvel at the inner workings of this dual aperture dial self winding mechanical from the BVA Series, featuring clear exhibition caseback. The 21-jewel self-winding movement means eco-friendly battery-free operation and provides for years of reliable service. The crisp black dial includes a wealth of details including roman numerals, minute track and two sub-dials. All stainless steel construction provides hypo-allergenic and durable build quality. The watch band secures with a push-button deployment clasp and is water resistant up to 30 metres. It comes with a three-year limited warranty. We are an authorized Bulova dealer.