Power your watch with confidence using the Seiko Seizaiken 377 SR626SW Silver Oxide Watch Battery pack of 2. Each battery offers a reliable 1.55V output, ensuring your timepiece runs smoothly and accurately. This trusted SEIKO SEIZAIKEN brand delivers quality and longevity, now in a new mercury-free formulation for a safer choice. Commonly known as 377, SR626SW, and more, these batteries have a compact size of 6.8mm diameter and 2.6mm height, perfect for various watches. With a best before date of March 2027, you'll have long-lasting power ready when you need it. Upgrade your battery today!.
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