PW60 Watch-style Diving Compass Strong Magnetic Fluorescence Dial Corrosion-resistant Compass, PW60 Watch-style Diving Compass1. Material: corrosion resistant material 2. Gram weight: 120g 3. Specifications: 70x65x38mm (table header) 4. Total strap length: 360mm 5. Working temperature: 30 60 degrees Celsius 6. Dive depth: less than or equal to 50m 7. Deviation range: 2 degrees tilt correction (+ 18 degrees) 8. Function: Underwater direction Specification: Package Weight One Package Weight 0. 20kgs 0. 45lb One Package Size 15cm * 10cm * 8cm 5. 91inch * 3. 94inch * 3. 15inch