Be ready for anything with the Suunto Core Alu. ; Altimeter: Range: -500 - 9000 M Recording rate: 1, 5, 10, 30, 60s ; Barometer: Atmospheric pressure indicator. Pressure resolution: 1 hPa / 0.03 inHg ; Compass: Accuracy: 5° Resolution: 1° ; Temperature: Operating temp: -5 F to +140° F Storage temp: -22 F to +140° F ; Storm alarm. ; Sunrise / sunset ; Depth meter for snorkeling. ; Watch functions: 1 daily alarm. EL blacklight. Matrix display. Low-battery indicator. Metric/imperial display. Dual-time display. 30-meter water resistance. Silicone strap. Aluminum case and bezel. Mineral lens. ; Replacable battery (CR2032). ; UI languages: EN, FR, DE, SS Measurements: ; Case Height: 49 mm ; Case Width: 49 mm ; Case Depth: 13 mm ; Band Width: 25 2 5 mm ; Band Circumference/Length: 11 in ; Weight: 3 oz ; This product may have a manufacturer's warranty. Please visit the manufacturer's website or contact us at for full manufacturer warranty details.