Casio F-91W Referee Wrist Watch Waterproof Stopwatch Black

Casio F-91W Referee Wrist Watch. "Casio F-91 W" sports and referee's watch. The original shaped iconic CASIO watch. Featuring a digital display, 100th sec stopwatch, alarm and a microlight, this classic timepiece is suitable for every single occasion. 12/24 Hour Format: Digital time display can be configured to either 12-Hour or 24 Hour Format. Water Resistant: Splash resistant. Accuracy: +/- 30 seconds per month. Alarm Function: daily Alarm: Sounds each day at the time you set, Hourly time signal: The watch beeps every hour on the hour. Auto Calendar: once set, the automatic calendar always displays the correct date, Auto-calendar (28 days for February). Band Material: Resin. Battery Life: Approximately 7 years. Date and Weekday Display: The current date and week day are displayed on the watch face. Date Display: The current date is displayed on the watch face. Dimensions: 38.2 x 35.2 x 8.5 mm. Display Illumination: Microlight. Resin Glass: Resistance against breaking. Material: Strap/Case: Resin/Resin. Color: Black.