Origo Rendezvous Peak Series Altimeter Watch Black/stainless multi-sensor with stainless steel ring watch with barometer, altimeter and digital compass Rendezvous peak series -- graphic weather forecasting indicator and temperature function One-touch direct access altimeter -- Altimeter 1 foot resolution -- Altitude graph with past 8 hours trend Declination adjustable -- 75 altimeter data memories with date, time and altitude 4 models: 1 silver.reverse display, 1 black/reverse display -soft blue EL backlight Barometric trend graph display (past 30 hours); Battery life: up to 1-year -water resistance: 50 feet 1/100 second chronograph with lap and split time -99 lap memories stored in a maximum of 99 runs -- 2 daily alarms