Divewatchdoctor - Citizen Aquamount Titanium, a beautiful and very rugged watch that works under-water and on mountains. It has two sensors, one to detect water depth of 80 meters and the other
The Legend Of the Citizen Promaster Collection Runs Deep - Strapcode
A Titanium Professional Diver's Watch at an Affordable Price - Citizen Promaster Titanium Diver - YouTube