Altatac via Buy.com offers the Timex Men's Ironman Race Trainer Heart Rate Monitor Watch in Blue/Grey/Black (pictured) or Blue/Purple/Grey for $79.99 with free shipping. That's $10 under the lowest total price we could find for a similar Timex men's heart monitor watch. Features include a 10-workout memory, five interval timers with individual heart rate target zones, 50-lap chrono with average heart rate per lap, and more.

Of note, as one of its daily deals, Amazon offers the Timex Women's Ironman Race Trainer Heart Rate Monitor Watch, model no. T5K569, for $89.95 with free shipping. That's the lowest total price we could find by $25. Sales tax is added where applicable. Features include target heart rate zones, average heart rate for workouts and laps, time in zone, max heart display percentage, and calories burned. Deal ends today.