The Silva Tech4o wrist computers are on sale via Silva, in limited amounts as "salesman samples" from a model that seems not to have gone far, the "Thruhiker" (aka Weathermaster VIII).




Precision altimeter watch and digital compass for wayfinding
Barometer and thermometer monitor weather conditions
Time mode includes Dual Time for travel and 2 Alarms
Chrono with 100 lap memory
Countdown timer can be used to remind you to take hydration breaks, or with meal prep
ABS housing and vented polymer strap.
Water Resistance: 10 meters / 1 ATM


Link: http://store.tech4o.com/products/556798/Thruhiker


The Silva watches have some positive reviews on Backpackgeartest, and some negative reviews on BPL, particularly in regard to the minimal water resistance rating. Either way, this price is low.