TRIAX SWIFT ANALOG Battery CR2012 3V Lithium battery Battery Life: The battery in your Triax Swift Analog is estimated to last 5 years, depending on frequency and use of certain features. Battery Replacement: Battery replacement must be performed by a certified Nike service center to retain a valid warranty. In addition to battery replacement, the service center will test movement, gaskets, water resilience and hardware, to further ensure the long-term care of your watch. Warning! Keep watch batteries away from children. If swallowed, contact a doctor immediately. Warning! Batteries contain chemical substances. They should be disposed of properly according to local regulations. Crown Pull Crown to first click to set date Material Specifications Crystal: Mineral Bezel: Stainless Steel Strap: Polyurethane Case: Polycarbonate Caseback: Stainless Steel Buckle: Stainless Steel Operating Temperature -5 to 50° Celsius Water Details Pull Crown to second click to set time Electrolite ON 100m water resistance This document with updates is available online at www.niketiming.com ...