In addition to accuracy ensured via the chronograph, the performance of this watch is powered by Eco-Drive, obtaining energy from any light source and eliminating the need for batteries. Featuring WR100 with a multi dial as well as date display. Featuring gold tone stainless steel bezel with a black dial as well as it's brown oxhide leather strap, this watch is as sharp on looks as it is on performance. Caliber number B642.