Cressi GOA Dive Computer Color:White/Black or as a spare cord

or as a spare cord

The two-inch serrated edge along back of blade is great for  cutting rope

Thickness: 1

Visible over 1 mile

Cressi GOA Dive Computer Color:White/Black or as a spare cordCressi RGBM algorithm Air Nitrox, freedive, gauge, and Off modes Algorithm for managing uncontrolled ascents Large and easy to read numbers Small and compact design The GOA by Cressi has a diameter of only 48mm and a high contrast display of 35mm. The computer is very versatile and can be used for scuba, freediving or even snorkeling and swimming. The Off mode allows deactivating unnecessary alarms when you're not diving. The watch's backlit display