Step 1: Find the battery code: In order to identify the correct replacement battery for your watch you will need to know the battery code. Sometimesthis is printed on the back of the watch - as with some Timex watches - but in many cases you will need toopen your watch case to see the code on the battery. The code can take various forms such as:
Once you know the battery code you can use this to identify the correct replacement battery on our site:
Step 2: Search site for battery: Simply type the battery code you have into the search box here and it will take you to a list of links to the correctequivalent battery.
Step 3: Don't have the original battery? If you no longer have the old battery for your watch and do not know the code for the battery you can still identify itby measuring the hole where the battery fits in the watch. Use our cross reference table here to sort by diameter or thickness to find the closest match to the dimensionsyou have measured. You can then click through to order the battery.
Step 4: Still not sure you have the right battery? If you are still not sure if you have identified the correct battery you can contact us using ourContact Us form.
FAQs
The model number of the battery in your watch will be marked on the battery itself. If your watch does not have a battery inside and you need to know the model number, please contact Customer Care with the style number of your watch (located on the back of the watch, e.g. ES1234 or FTW1234).
How do I know what battery for my watch? ›
The model number of the battery in your watch will be marked on the battery itself. If your watch does not have a battery inside and you need to know the model number, please contact Customer Care with the style number of your watch (located on the back of the watch, e.g. ES1234 or FTW1234).
What do the codes on watch batteries mean? ›
The first two digits refer to the diameter of the battery in mm and the second two digits give the height or thickness of the battery in tenths of mm. So, for example, a CR2032 is a Lithium button cell which is 20mm in diameter and 3.2mm thick.
Are 377 and 379 batteries the same? ›
Is 377 battery the same as 379? No, 379 battery feature physical dimensions of 5.8 x 2.1 mm and 377 battery feature physical dimensions of 6.8 x 2.6 mm.
Can I use a 377 battery instead of 364? ›
Due to the same diameter and very similar height, it is possible to place 364 battery into the 377 battery compartment, and sometimes even vice versa. But, if 364 battery is placed in the 377 battery compartment, contact issues may prevent reliable operation.
What battery do I need? ›
You can look at the battery section of the Owner's Manual of the car or truck. If the owner's manual can't be found, look at your existing battery and see what BCI Group Size is already installed. The Group Size is labeled in several places on the battery. Generally on the top and/or on the front of the battery.
What battery is equivalent to 377? ›
377 Watch Battery SR626SW and equivalent button cell batteries - SR626, SR626W, SR66, D377, V377, AG4, GP377, SB-AW, 377.
How do you read a battery label? ›
Understanding the specifications
- 1st digit – Voltage. 1-2 = 6 Volt Battery. 5-7 = 12 Volt Battery.
- 2nd & 3rd digits – Nominal capacity. 560 = 60Ah @ 20 hour rate. 660 = 160Ah @ 20 hour rate.
- 4th & 5th digits – The unique code number referencing battery performance and features.
The 1st two digits of the serial number are letters with the remaining 10 digits being numbers. The date code is on a label located on the back side of the battery. The code is one letter, followed by one number. The letter is code for the month.
What battery can I use instead of 379? ›
The 379 button cell is a watch battery that directly replaces the 379, SR521, SR521SW, SR63, RW327, D379, V379(520), 28059, and SB-AC.
It is always five digits and consists of two parts: A three-digit number that indicates the capacity of the battery based on the number 500 (for 12V batteries). Eg 560 means batteries with a capacity of 60 Ampere, while 600 means batteries with a capacity of 100 Ampere.
Can a 377 battery replace a 377 376? ›
Now some watch batteries are interchangeable. Like watch batteries 376 & 377 . If your watch takes either of these cells, you can use 376 or 377 in your watch. It doesn't matter.
What is the difference between 377 and 377A watch battery? ›
Are the watch battery 377 equivalent and 377A the same? The difference is that the 377 has a silver oxide base, while the 377A is alkaline. In most cases, the two variations can be used interchangeably, however, some specialized electronics may specifically require using the 377 rather than the 377A.
What battery is interchangeable? ›
Carbon-zinc and alkaline batteries are thus interchangeable, just note that alkaline batteries have larger capacity and are generally more used than zinc-carbon batteries. Primary lithium batteries have a nominal voltage of 3V, they are lightweight and have a large capacity.
What is the difference between 377 and 377A battery? ›
377A is the alkaline version of 377 (silver oxide). Other than some very specialized devices, the batteries are interchangeable. 377's are more expensive, but they last longer, and the difference in price is not enough to make it worth changing them more often.
Can I use a 395 battery instead of 371? ›
Silvermans sell the Renata 395 battery here, as well as the 371, 386 and 394. 1983 to 1986 (ETA 555.115) and 1992 onwards (ETA 955 series): 371, 394 or 395 will all fit but the thinner 371 is really prone to come loose.
What is the most common wrist watch battery? ›
Silver-oxide watch batteries are the most popular types of batteries. They are pocket-friendly, have a lifespan of ten or more years and have a constant voltage when in use. The battery has a running voltage of 1.55 volts which is slightly higher than alkaline batteries.
