Six hand calendar chronograph, stainless steel screw-back case in silver-tone finish and black dial, sapphire glass. .Powered by Bulova's proprietary, high-performance UHF quartz movement
Quartz Movement. Two interchangeable straps are included -- one a textured black leather; the other, a black nylon with a nubuck leather. The watch has a frequency of 262 kHz for unparalleled accuracy
Case Diameter: 45mm ; Case Thickness: 13.5 mm
Water Resistant To 50m: In General, Withstands Splashes or Brief Immersion In Water, but not Suitable for Swimming or Bathing