Recalls activity time and average, peak, and minimum heart rateElastic chest strap transmits heart EKG to wristwatch; user-replaceable batteryAutomatic activity timer keeps track of exercise time12- and 24-hour time as well as with month and date displayINDIGLO backlighting, 30-meter water resistance rating

Preset your Desired Heart Rate Target Zone to One of Six Ranges, Review Workout Average and Peak Heart RateReview Time-In-Zone, Recovery Heart Rate, and Calories Burned100-hour chronograph with lap and split, either in large digits, 50-lap memory with average heart rate per lap100-hour, 2-mode countdown timer, Alarm with 5-minute backup, INDIGLO night-light with NIGHT-MODE featureOwner-Replaceable Battery; Data Recorder 2 and Data Recorder Compatible; water resistant to 100m

Access to times in 24 locations around the world is at the push of a button.Proprietary six hand movement with four independent motors driving each functionWorld time (24 cities)Bruised stainless steel braceletWater-resistant to 330 feet (100 M)

Access to times in 24 locations around the world is at the push of a button.Proprietary six hand movement with four independent motors driving each functionWorld time (24 cities)Beveled mineral crystal with sapphire coating, rose gold platingWater-resistant to 330 feet (100 M)

Proprietary six hand movement with four independent motors driving each functionLinear chronograph measures up to 4 hours on the lower hand with a 30 minute linear indicator, with 2nd time zoneMulti-functional retrograde and linear handsSuper LumiNova dial indices, date windowWater resistant up to 330 feet (100 M)

Waterproof to a depth of 50 meters, so you can wear it in the pool or the lake to time your swimTracks bike and run data and sends it wirelessly to your computerTrack your position, distance, and pace; add accessories to measure heart rate, power data and more20 hours of battery lifeOne-year limited warranty

Proprietary six hand movement with four independent motors driving each functionFly-back chronograph with compass and dual time featureElectronic compass with magnetic declination compensationTachymeter, super LumiNova dial indices, textured dialWater resistant up to 330 feet (100 M)

Proprietary six hand movement with four independent motors driving each functionWorld time, 24 time zones will adjust automatically with a push of a buttonTime and season displayed for 24 locationsScrewdown enameled crownWater resistant up to 330 feet (100 M)

Heart rate monitoring watch sized for both men and womenChest strap heart rate monitor works with watch to provide target zones and time in zoneWorkout review that recalls activity time and average/peak heart ratesMonth/day/date display with 12/24-hour timeWatch is water resistant to 30 meters (165 feet); up to 2-year battery life; model numbers T5G971 & T5G981

TX proprietary high-hand Chronograph movementFour-hour fly-back chronograph (one-fifth of a second accuracy)Dual multifunction retrograde displaysTachymeter scaleWater-resistant to 330 feet (100 M)