Duracell 389/390 Watch Battery (SR1130W) Silver Oxide 1.55V (1 PC). With a long-lasting charge that requires fewer recharges, Duracell Specialty and Rechargeable batteries really do set themselves apart from the rest.
MAXELL 389 Battery SR1130W Watch Parts Watchmaterial
Amazon.com: Energizer 389 Button Cell Silver Oxide SR1130W Watch Battery Pack of 5 Batteries : Health & Household