This is a 335 (SR512SW) Energizer batteries. Brand New & Guaranteed Factory
Fresh. These batteries are commonly required for Swatch, Fossil, Timex and
Casio popular brands.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