Power your devices with confidence using our 4 x Renata 377 SR626SW (AG4) Silver Oxide Watch Batteries! Each battery offers reliable 1.5v performance, ensuring your watches and electronics stay powered longer. Trust the quality of the RENATA brand, now improved and 0% mercury-free for a safer choice. These versatile batteries are also known as V377, D377, 606, BA, SR66, and more. With a compact diameter of 6.8mm and height of 2.6mm, they fit seamlessly into your gadgets. Stock up now—best before date July 2027. Don't settle for less, choose Renata for long-lasting power!.