Aviation Altimeter for Watch

The Pilot's Choice! A complete, full-featured aviation altimeter running inside your Apple Watch Series 3 or higher! A real barometric Altimeter, not GPS-based. Authenticl Altimeter dial with digital readout! This altimeter allows you to set the field altimeter setting (QNH). The Altitude can be displayed in Feet, Meters, or Flight Level. You can also display the raw barometric pressure. The Kollsman window allows setting the local pressure in either inches of mercury or hectoPascals (millib