Dive Wrist Depth gauge- 25M -MDIYellow and black dial available Diam. 63 mm / 2.5"Wrist type Copper Beryllium diaphragm; Rack and pinion movement for smooth and precise operation; 340° degrees scale with wide reading in the first half of the scale; Adjustable screw for diving in altitude; Luminous easy to read dial design; Maximum depth red indicator easy to reset. Available Graduations: 0 - 25 mt; Increment: 1 mt. 0 - 80 feet; Increment: 5 feet.Tolerance: 1,5% 0 - 10 mt / 0 - 40 feet; 3% 10 - 25 mt / 40 - 80 feet. Accuracy to DIN EN 13319. Weight: 177 grams