The CR1220 battery works in Seiko watches and some Sony camera models. This battery is also used in Toshiba surveillance cameras. Operating temperature: -20 to 60 °C. Discharge rate: 100 µA. - Brand: Duracell - Type: CR1220 - Technology: Lithium - Voltage: 3V - Uses: Calculators, wristwatches, remote controls, car alarms...