Casio Vintage Mini - LA670WEGA-1EFTechnical Specifications Stopwatch function 1 10 sec. 1 hour Time lapsed, interval time and end time are measured to the nearest one tenth of a second. The watch has a timing capacity of up to an hour. 7 preset timer (up to 30 min.) With the preset timer, seven preset game times are defined for various types of sport and these can be called up as required. When a game time elapses, an alarm sounds and the watch automatically counts backwards again