Case / Bezel Material: Stainless Steel Band Genuine Leather Band Water Resistance 100-Meter Water Resistance Mineral Glass Back Plate Screw Lock Back Watch Features Stopwatch 1/10-Second Stopwatch Measuring Capacity: 59'59.9'' Measuring Modes: Elapsed Time, Split Time, 1St-2Nd Place Times Accuracy Accuracy: ?ñ20 Seconds Per Month Other Features Regular Timekeeping: Analog: 3 Hands (Hour, Minute, Second), 3 Dials (Stopwatch 1/10 Seconds, Stopwatch Minutes, Stopwatch Seconds) Date Display Approx. Battery Life: 2 Years On Sr920Sw