![]() You should use silver-oxide “SR” batteries instead. The following batteries use mercury chemistry, as indicated by the “MR” IEC number: 313, 323, 325, 343, 354, and 387. * Note that most batteries use silver-oxide chemistry. American companies like Duracell, Energizer, Eveready, Rayovac, as well as watch companies like Bulova, follow a numeric naming system with most batteries having a 3xx number.This standard is mostly followed by Japanese manufacturers, including Maxell, Panasonic, and Sony. 60 mm while the SR621SW measures 6.80 by 2. For example, the common SR626SW measures 6.80 by 2. IEC naming focuses on the battery size in millimeters.IEC “SW” indicates low-drain while “W” indicated high-drain. Although officially considered watch batteries, the alkaline and lithium batteries are also intended for other equipment, such as calculators, cameras, and car keys. ![]() All popular compact watch batteries are 1.55 Volts and use the IEC SR prefix. 10 379 Energizer Watch Batteries SR521SW Battery Cell 5 Count (Pack of 2) 819 Save 19 730 (0.73/Count) List: 9.05 Lowest price in 30 days '377 watch battery' LiCB 20 Pack SR626SW 377 626 Watch Battery 1.5V Button Cell Batteries 16,122 699 (0.35/Count) List: 7.99 6. I am only listing batteries used by one or more major watch manufacturers. This chart is organized by diameter and height in millimeters. Choose Format Compare SMC377 Renata 1.55V 377/376 Silver Oxide Coin Cell Battery Brand: Renata Voltage: 1.55 Format: 377/376 4. They are made in Switzerland by the Swatch Group and are much more reliable in terms of sizing and capacity than cheap knock-offs. Watch Battery battery watch Refine Selection Showing 10 of 64 Please Make a Selection to Find the Perfect Fit Results will appear when all fields are complete. I strongly recommend buying Renata-brand batteries. Renatas comprehensive assortment of watch battery types, mostly of the silver oxide 1.55 V system, offers a suitable power source for any. Some batteries also have multiple names based on specifics of drain or capacity but these are usually interchangeable. The table below lists the most common watch battery sizes along with their various names for different standards and manufacturers. Siiboat Watch Batteries 80PCS - AG0, AG1, AG3, AG4, AG5, AG7, AG10, AG13, 1.5V Alkaline LR41 LR44 Assorted Button Coin Cell Batteries 190 Save 9 999 (0.12/Count) Was: 10. Watch batteries have a confusing array of names, so it can be difficult to know which battery to purchase for your quartz watch. I recommend Swiss Renata batteries, and suggest picking up an assortment of the popular sizes. Watch battery selection and sizing can be confusing, but this cross-reference chart should help make the right choice.
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