Features: Case / Bezel Material: Resin / Chrome Plated Stainless Steel Bracelet Resin Crystal Digital Display Preset Timer Popular Retro Design 1/10-Second Stopwatch Countdown Timer Daily Alarm Hourly Time Signal Auto-Calendar (28 Days For February) Regular Timekeeping 12/24-Hour Format Accuracy: ±30 Seconds Per Month Deployment Clasp 30M Water Resistance Approximate Size Of Case: 30.3 x 24.6 x 7.3mm