Too complicated and unreliable. Too complicated to remember. The battery battery compartment is difficult to open (no manuals available online either). A limited number of controls means extensive functionality is definitely not going to be intuitive to operate. I took the Data Center with me to Little Yosemite Valley. It operated well as a necklace-type timepiece and was quite durable. But I can't see using its other functions without fishing for your reading glasses, dragging out the user manual… Full review
I bought the watch to take with me on my adventures in Alaska. It handled very well until about 35 degrees (oF). Near freezing it was slow and the displays strength was weak; meaning the numbers were faded and not as dark. Once in my coat where it was warm it quickly came back to full strength. I went back to California where I swam with it and had champagne spill on it without being cleaned off. I guess it had time to get into the components and malfunction. After a a few days of not working I… Full review
These watch navigation tools are worthless gimmicks. I didn't give it 0 stars because the time worked. However so do 5 dollar cheap throwaways. When you are hoping for readings for navigation in altitude or direction and your product is 400 ft off even when you have followed proper reference instructions. It says it's sunny when storming and that's after its several hours to calibrate. Save your money, buy a compass and map and a gps. This watch is a usless and as dangerous as a false cairn. Full review
Tech4o manufactures outdoor electronic gear. This brand is owned by Johnson Outdoors.
Tech4o Coverage in the Trailspace Blog
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August 9, 2010