Energizer is respected world wide for its uncompromising quality and consistent performance. Energizer's technological leadership produces a variety of miniature batteries which are trusted for use by the best names in watch, computer, keyless entry, consumer electronics and hearing aid industries. Energizer's reported failure rate is far less than 1/1000 of 1%. This devotion to consistent quality has led it to control over 70% of market share in Switzerland, one of the world's leading watch producing countries. Additional Details ------------------------------ Product description: 5 New Type 321 Energizer Batteries. This is a new set of 5 type 321 (SR616SW) Energizer batteries. Brand New Guaranteed Factory Fresh. The shelf life on Energizer batteries is 5 to 10 years. These batteries are commonly required for Swatch, Fossil, Timex and Casio popular brands. Energizer's reported failure rate is far less than 1/1000 of 1%. This devotion to consistent quality has led it to control over 70% of market share in Switzerland, one of the world's leading watch producing countries. Energizer is respected world wide for its uncompromising quality and consistent performance. Energizer's technological leadership produces a variety of miniature batteries which are trusted for use by the best names in watch, computer, keyless entry, consumer electronics and hearing aid industries.