• Usually ships in 3-5 business days


  • 1/100th second resolution for 30 minutes
  • 1 second resolution up to 24 hours
  • 12 or 24 hour clock format
  • Timing capacity: 23hrs, 59mins, and 59.99secs
  • Basic accuracy: ±3 seconds/day
  • Calendar displays day, month and date
  • Programmable alarm and hourly chime setting
  • Backlight turns off after 4 seconds
  • Water resistant housing and neckstrap
  • Dimensions: 2.3x2.8x0.5" (5x70x15mm);
  • Weight: 2oz (50g)

The Extech 365515 water resistant stopwatch timer features a water resistant display with backlight, which facilitates reading in dimly lit environments. With a 1/100th second resolution for up to 30 minutes, the 365515 has a timing capacity of 23 hours, 59 minutes and 59.99 seconds. The basic accuracy for this Extech stopwatch/clock is ±3 seconds/day.

Offering a 12 or 24 hour clock format, Extech 365515 water resistant stopwatches also have a calendar which displays day, month and date. Other features of the 365515 include a programmable alarm, hourly chime setting and a backlight that turns off automatically after 4 seconds. The water resistant housing and neckstrap make this Extech stopwatch/clock the ideal instrument for a variety of testing situations.

The Extech 365515 water resistant stopwatch/clock ships complete with:

  • LR44 battery
  • 39" (1m) snap-away neckstrap