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Item #4378V

Sigma Sport Onyx Fit Heart Rate Monitor Watch

$79.95 Compare at $109.99 Save 27%
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Most Helpful 4-Star Review

Verified Buyer Reviewed by yoga girl from portland, oregon on Wednesday, February 29, 2012
I've just started to use this system while working out. I am not sure about it's accuracy with calorie burn. Also, it would be good if it was easier to read. Overall, I like it but still trying to figure it all out and maximize it's potential.
Based on 7 reviews: Overall:
Information about Sigma Sport Onyx Fit Heart Rate Monitor Watch
Closeouts. Maximize your fitness performance by tracking your results with the Sigma Sport Onyx heart rate monitor watch.
  • Digital coded transmission
  • Four heart rate functions
  • Six time functions, including countdown and alarm
  • Training mode with three adjustable training zones
  • Integrated fit test (VO2max Rockport Test)
  • Lap Counter (50 Laps)
  • One programmable endurance training module
  • Burned Kcal reading
  • Total values per week, per month, and since reset
  • Memory for seven training sessions
  • Quick change battery compartment
  • Simple handling and menu navigation
  • Digital chest strap transmitter and wrist watch receiver
  • Made in China
  • Visit our Exercise Guide
Specs about Sigma Sport Onyx Fit Heart Rate Monitor Watch
  • Weight: 1.2 oz.
  • Display: Digital
  • Movement: Quartz
  • Case dimensions (LxWxH): 50.8x44.4x12.7mm
  • Case material: Composite
  • Case back: Pressed
  • Bezel type: Fixed
  • Strap/bracelet dimensions: 10" x19mm
  • Crystal type: Plexiglass
  • Band: Strap
  • Band material: Rubber
  • Clasp: Buckle
  • Alarm: Yes
  • Laps: Yes
  • Timer: Yes
  • 12/24 hour: Yes
  • Heart rate monitor: Yes
  • Luminous: Back light
  • Made in China
  • Visit our Exercise Guide

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Most Helpful 4-Star Review

Verified Buyer Reviewed by yoga girl from portland, oregon on Wednesday, February 29, 2012
I've just started to use this system while working out. I am not sure about it's accuracy with calorie burn. Also, it would be good if it was easier to read. Overall, I like it but still trying to figure it all out and maximize it's potential.
Based on 7 reviews: Overall:
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  • Reviewed by mtn-goat from North Carolina on Wednesday, August 14, 2013
    As indicated by others, the menu system takes a little while to learn. With that said, I like the features that are included. I especially like the tracking of percent time spent in each of the 3 training zones that are provided. I also like the memory that allows you to recall past training sessions. The chest strap is comfortable and it comes with standard CR-2032 batteries that are user replaceable. When not using the HRM the watch display is laid out nicely as well. I'd give it five starts if it weren't for the somewhat cumbersome menu system.
  • Verified Buyer Reviewed by Joe from Lancaster. CA on Friday, February 15, 2013
    There were not any instructions as to how to even set the watch time, let alone figure out the instructions for setting up all of the detailed workout programs. This was a first devise of this type, so maybe it was fine for somebody that has programed these things before, but not user friendly for a 1st timer.
  • Reviewed by Jim the poor runner from New Jersey on Monday, October 22, 2012
    The watch has very nice features with training zones, walking test, etc. However, after using it for a couple of weeks, I finally gave up and returned the unit --- The dial is too hard to read if your older (I'm 54). I could not figure out how to use it just to read you HR (without entering a trainging zone)- I'm an engineer. Finally, it kept losing the HR in the middle of a run. The Polar RS100 is a much better watch for my purposes for the same general price and much easier to use. It has a much larger display, better backlignt and has not lost the HR once.
    • Best Uses: Running
    • Cons: Unreliable
    • Describe Yourself: Gym Rat
    • Was this a gift?: No
  • Verified Buyer Reviewed by gerber daisy from Pittsburgh PA on Friday, August 3, 2012
    You MUST read the manual.

    Seems accurate for HR. I haven't had it enough to figure out how to do much with it other than get my heart reate.

    For the price, a good buy.
    • Best Uses: Heart rate
    • Cons: Bulky Design
    • Describe Yourself: Gym Rat
    • Pros: Accurate, Gives A Quick Reading
    • Was this a gift?: No
  • Verified Buyer Reviewed by SeeJoanRun from Seattle, WA on Monday, July 16, 2012
    The big selling point for this particular watch was that it has Average Heart Rate for an exercise. Many in this price range do not.
    • Best Uses: Running, Spinning, Treadmill, Weight Loss
    • Describe Yourself: Avid Athlete
    • Pros: Accurate, Easy To Use, Gives A Quick Reading
    • Was this a gift?: No

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