{"id":46671,"date":"2024-01-16T19:34:55","date_gmt":"2024-01-16T09:34:55","guid":{"rendered":"https:\/\/batterytools.net\/?p=46671"},"modified":"2024-01-16T19:34:55","modified_gmt":"2024-01-16T09:34:55","slug":"watch-battery-cross-reference","status":"publish","type":"post","link":"https:\/\/batterytools.net\/watch-battery-cross-reference\/","title":{"rendered":"Watch Battery Cross Reference Chart: An Essential Guide for Replacements"},"content":{"rendered":"

Comprehensive Guide to Watch Battery Equivalents<\/h2>\n

When selecting a watch battery, a detailed reference sheet can ensure you make an informed decision. Personally, I find that an assortment of sizes from the Swiss manufacturer Renata proves to be a smart option due to their reliability and consistent performance.<\/p>\n

It’s common to encounter an overwhelming variety of names for watch batteries, which can make purchasing the correct one quite perplexing. Below, I’ve crafted a reference that juxtaposes common battery dimensions<\/a> with their equivalent designations across different standards and watch brands.<\/p>\n

Selecting a battery of Swiss origin, such as those produced by Renata, can yield better results in terms of accurate sizing and lasting capacity. These premium batteries<\/a> are manufactured by the Swatch Group and are well worth their value compared to less expensive alternatives.<\/p>\n

Here’s a curated list of battery sizes utilized by prominent watch<\/a> brands, organized by physical dimensions. All standard compact watch batteries are rated at 1.55 volts and are prefixed with “SR” according to IEC guidelines; where “SW” signifies low-drain and “W” signifies high-drain capabilities.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Diameter<\/th>\nHeight<\/th>\nIEC SR<\/th>\nUS<\/th>\nRenata<\/th>\nCitizen<\/th>\nSeiko<\/a><\/th>\nTimex<\/th>\n<\/tr>\n<\/thead>\n
5.8mm<\/td>\n2.15mm<\/td>\nSR521SW<\/td>\n379<\/td>\n50<\/td>\n280-59<\/td>\nSB-AC\/DC<\/td>\nJA<\/td>\n<\/tr>\n
6.8mm<\/td>\n2.15mm<\/td>\nSR621SW<\/td>\n364<\/td>\n31<\/td>\n280-34<\/td>\nSB-AG\/DG<\/td>\nT<\/td>\n<\/tr>\n
7.9mm<\/td>\n1.65mm<\/td>\nSR716SW<\/td>\n315<\/td>\n315<\/td>\n280-56<\/td>\nSB-AT<\/td>\nHA<\/td>\n<\/tr>\n
7.9mm<\/td>\n2.10mm<\/td>\nSR721SW<\/td>\n361<\/td>\n19<\/td>\n280-29<\/td>\nSB-AK\/DK<\/td>\nS<\/td>\n<\/tr>\n
9.5mm<\/td>\n1.65mm<\/td>\nSR916SW<\/td>\n372<\/td>\n41<\/td>\n280-45<\/td>\nSB-AJ\/DJ<\/td>\nWA<\/td>\n<\/tr>\n
9.5mm<\/td>\n3.60mm<\/td>\nSR936SW<\/td>\n394<\/td>\n27<\/td>\n280-17<\/td>\nSB-A4<\/td>\n<\/td>\n<\/tr>\n
11.6mm<\/td>\n2.05mm<\/td>\nSR1120SW<\/td>\n391<\/td>\n34<\/td>\n280-30<\/td>\nSB-BS\/LS<\/td>\nL<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Note:<\/strong> All popular SR series are silver-oxide batteries, renowned for their longer lifespan compared to alkaline equivalents.<\/p>\n

To give you an idea of the naming conventions, consider the SR626SW \u2013 its numbers indicate the dimensions, resulting in a diameter of 6.80mm and height of 2.60mm. Conversely, the SR621SW, almost identical, stands a bit flatter at 2.15mm height. These measurements align with the standards set by Japanese firms like Maxell and Sony.<\/p>\n

In the United States, battery nomenclature typically comprises a series of three numbers – such as the 379 for SR521SW – commonly adhered to by domestic brands including Duracell and Energizer, as well as watchmakers like Timex.<\/p>\n

Users should be aware that certain older battery models originally used mercury in their construction, indicated by an “MR” prefix. However, the modern and recommended alternatives are silver-oxide batteries with “SR” markings, as they are more environmentally friendly and have longer life spans.<\/p>\n

By using this table and understanding the different naming systems, you can navigate the intricate world of watch batteries with confidence, procuring the precise battery needed for your timepiece.<\/p>\n

Common Watch Battery Queries<\/h2>\n

SR626SW Battery Alternatives<\/h3>\n

The SR626SW refers to a specific battery size, commonly used in watches. The equivalent for this battery is often labeled as 377, which can be found in various brands and may offer similar performance for watches and small devices.<\/p>\n

Identifying Suitable Battery Size for Watches<\/h3>\n

To identify the appropriate battery size<\/a> for your watch:<\/p>\n