[Amazon.com] Timex Full-Size T5K639 Marathon GPS Watch

[Amazon.com] GSI Quality GPS Navigation Sports Wrist Watch With Heart Rate Monitor, Chest Strap And Compass - Measures Burned Calories And Fat, Speed, Altitude And Distance, USB Data Upload Link - For Training, Exercise, Running, Jogging, Etc.

[Amazon.com] Nike+ SportWatch GPS Powered by TomTom (Black/Volt)

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[Amazon.com] Garmin Forerunner 310XT Waterproof Running GPS With USB ANT Stick and Heart Rate Monitor

[Amazon.com] Timex Full-Size T5K638 Marathon GPS Watch

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[Amazon.com] SEIKO Astron GPS Radio Clock Bright Thitanium 10BAR Water Proof SAST003 (Japan Import)

[Amazon.com] Timex Mens T5K588 Ironman Sleek 250-Lap TapScreen Black/Gray Resin Strap Watch

[Amazon.com] Timex Womens T5K698 Marathon GPS Speed+Distance Pink Resin Strap Watch

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[Amazon.com] Pyle PLBT72G 7-Inch Single DIN In-Dash Motorized Touchscreen LCD Monitor with DVD/CD/USB/SD, AM/FM/Bluetooth, Built-In GPS with Maps

[Amazon.com] GPS-Based Optimal FIR Filtering of Clock Models (Electrical Engineering Developments)

[Amazon.com] Springfield 91579 14 Inch Outdoor Garden Clock with Thermometer and Hygrometer

[Amazon.com] Garmin Fenix Hiking GPS Watch with Exclusive Tracback Feature

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