These chronograph quartz watches are battery-powered watch that uses a piece of quartz crystal to keep time. When you run an electrical current through a quartz crystal, it will vibrate at an almost perfectly constant frequency. This consistent rate of vibration allows the watch to keep very precise time.
Trintec Industries Inc. was founded in 1984 as a manufacturer of unique aviation inspired watches and Zulu Instruments. Trintec was the first company to produce and sell an aviation inspired watch which featured the design elements of an aircraft altimeter. The original Altimeter Watch was produced in 1990. Over the years the company has expanded from being primarily aviation focused and has developed numerous products which include a large selection of precision nautical instruments including barometers, clocks, Tide clocks and weather stations.