SEIKO S057 - 100 Lap Memory Dual Timers HTO Apparel Bust: Measure around the chest

Bust: Measure around the chest horizontally

Chlorine resistant

The face plate is pure carbon to reduce the overall weight of the stem to 144 grams

Simply sip from the straw

Waterproof IP 68  Professional waterproof Battery 230mah(Time mode 20 days / Comprehensive use 5 days / GPS 6 hours)

SEIKO S057 - 100 Lap Memory Dual Timers HTO Apparel Bust: Measure around the chestTwo channel countdown timer Each channel can be preset for up to 100 hours Measurable up to 100 hours in 1 100 of a second Split lap time measurement Store and recall of up to 100 split lap times Memory recall and countdown timer can be used during stopwatch operation Two separate displays for split and lap time measurements On off confirmation sound Dot matrix mode display Time and full automatic calendar Battery life indicator Automatic shut off