The 50-Lap Timex Women's Ironman Sleek Black Watch is a lightweight timepiece designed to withstand a tough triathlon and all the training that goes with it. Constructed with a lightweight resin case, the 50-Lap Timex Women's Ironman Sleek Black Watch includes a stainless steel top ring and a comfortable co-molded resin wristband with an adjustable buckle clasp. A durable mineral window shields the gray digital-dial face, which displays time as well as the day, date and month. Four black buttons decorate the case and include mode, set/recall, Indiglo and stop/reset functions. A prominent silver start/split button rests below the six o'clock position. This athletic Timex Ironman 50-Lap Watch with Resin Strap is powered by digital-quartz movement and is water resistant to 330 feet. Indiglo nightlight with night mode Stainless steel top ring accent. Durable and lightweight resin case. Dated training log with best lap Average lap with total time 100-hour chronograph with lap and split times 50-lap memory recall. Total run timer. On-the-fly lap or split recall. Breathable. Case dimensions: 34mm x 11mm. 3.5-year battery life. Requires 1 CR2016 battery (included) Color: Black. Gender: Female. Age Group: Adult.