The Energizer 386/301 SR43W SR43 Silver Oxide Watch Battery 1.55v is a high-quality coin cell/button battery designed for long-lasting power. With a longest expiry date, this battery ensures a consistent and reliable performance for your timepiece. Suitable for various brands and manufactured with silver oxide chemistry, this battery is a versatile option for replacing worn-out or expired watch batteries. Available in quantities of 1, 2, or 3, this battery is a must-have for anyone looking to keep their watch running smoothly.