Designed with readability in mind, Aqualung's Compass is perfect for navigation under any conditions. Large easy to read numbers Large side view window allows for easy and accurate navigation Strap is designed to fit a variety of wrist sizes and wet/ dry suit diameters Large, secure 36° ratcheting bezel Luminescent gauge face for easy reading in low light Fluorescent markings at 10°, 20°, 30°, and 130° for navigation in low-light environments