🏊 Dive into precision timing! 5 years of reliable performance without a hitch. LDC display for effortless reading, even underwater. Master your swim with 300 split capabilities! Instantly check your progress without pausing. Automatically calculates your stroke rate for optimal training. stroke rate mode 5-year battery 300 splits The FINIS Waterproof Stopwatch is designed for serious swimmers, featuring a robust 300-split capacity, a long-lasting 5-year battery, and an intuitive LDC display. With active time review and automatic stroke rate calculation, this stopwatch is your ultimate training companion.