The MuRata SR527SW watch battery is a part of MuRata's collection of non-rechargeable, micro batteries. These silver oxide coin cells are known for their long-lasting and reliable power. Though small in size, the MuRata SR527SW offers an impressive 22.5mAh capacity, which is ideal for powering a watch or another portable electronics for long periods of time. What sets MuRata silver oxide batteries apart from their competitors' is their stable discharge rate, designed to keep devices running evenly and efficiently throughout the lifespan of the cell. The SR527SW watch battery is sold in individual tear strips. When ordering in quantities of five or more, the coin cell batteries will be packaged in tear strips of five.