The WaterRower Natural is handcrafted in solid ash and stained honey oak for consistency of color. The wood was chosen due to its marvelous engineering properties, especially its ability to absorb sound and vibration, which enhances the WaterRower's quiet performance and smooth operation. Ash, like all woods used in the construction of the WaterRower, is a premium hardwood with incredible longevity and dimensional stability. In addition, the wood is harvested from replenishable forests and is hand finished with Danish oil to provide a deep luster.
Unlike the 1445, the Elite Wave Water Rowing Machine includes an upgraded, high-end fitness monitor and a chest strap heart rate sensor. Programmed to sync seamlessly with the multi-function monitor, the data the sensor provides allows you to tailor your workout. For example, you can target a certain heart rate for weight loss or to increase endurance by adjusting your rowing speed and therefore, your rowing intensity. In addition to pulse, the multi-function monitor also tracks distance, time, calories burned, stroke count and strokes per minute to further motivate you during your rowing session. For further customization, users can also add or remove water using the included siphon to either increase or decrease the resistance.
Another negative point for me is the angle of the seat. Unlike the Concept2, it has a slight backward angle, which makes it easier to maintain good form at the end of the stroke. Given that the Waterrower has greater resistance at the catch, it puts more pressure on the lower back at this point making it uncomfortable for people like myself with lumbar spine problems.

From a fitness perspective, the WaterRower Natural works 84 percent of your muscle mass, helping tone and strengthen your muscles while burning far more calories than most other aerobic machines. The exercise is also low impact, as it removes all the body weight from the ankles, knees, and hips, but still moves the limbs and joints through a full range of motion--from completely extended to completely contracted.
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