New heights in innovation,
new possibilities within reach.
From 10,000 metres up in the air —beyond the highest peak on the planet.
Compatible with the International Standard Atmosphere published by International Civil Aviation Organisation (ICAO). Featuring a sturdy analogue display, this high-performance model maintains time display as its main function, while measuring height as high as 10,000 metres and depth as much as 300 metres below sea level.
Electronic Compass
To down-to-Earth depths and below.
Eco-Drive ALTICHRON directly measures the geomagnetism with a built-in magnetic sensor. Direction can be displayed not only together with time, but also displayed even while measuring the altitude at the single push of a button.
Super light yet super hard. CITIZEN’s proprietary titanium material.
Titanium possesses unique characteristics such as lightweight, gentle to the skin and resistant to corrosion. To achieve increased comfort and durability, CITIZEN’s proprietary surface-hardening technology delivers five times the hardness of stainless steel. With superior scratch resistance, this advanced material also maintains its beautiful look and lustre.
Product Movie



Titanium Case (Diameter: 49.5mm) / Water Resistance to 20 Bar / Liquid Rubber Band
Principal functions:
Eco-Drive / ±15 Sec Per Month / Altimeter(-300m to 10,000m) / Electronic Compass / Power-Reserve Indicator