Fossil Watch Battery Size Guide: Find the Perfect Fit

Fossil watches are a huge global watch brand and part of the Fossil Group which also owns watch brands like Relic, Skagen, Misfit and Zodiac.

If you own a Fossil watch and looking for a battery replacement, this is the perfect guide for you.

Most Fossil watches, if not full smartwatches,  will use a standard battery that can be replaced, keep reading to find out more.

Battery Replacement for Fossil Hybrid Smartwatches

If you own a Fossil hybrid watch, the battery you need to purchase is a cr2430. These batteries are very common and easy to buy in offline and online stores like amazon.

The CR2430 battery is a 3v lithium battery, see the shape below.  This example is made by Renata, but you can also get the produced by Duracell, Energizer and most other big battery manufacturers.

cr2430 battery for Fossil hybrid watch

There is one exception to the above rule, the fossil hybrid fb-01 requires a CR2025 battery.

Some of the Fossil hybrid watches do not need replacement batteries, the batteries are chargeable like in cell phones.  If you view the product page of your watch (find the SKU number)  on the Fossil website,  you will be able to see the battery type in the dropdown menu. If the battery number starts with ‘SP’, it will be rechargeable.  See some popular models below and the batteries required:

Popular Fossil Hybrid Watches and batteries that need replacements

Sku: FTW1166 – CR2430 Battery
Sku: FTW1165 – CR2430 Battery
Sku: FTW1180 – CR2430 Battery
Sku: FTW1194 – CR2430 Battery

Model examples with battery charging capabilities:

Sku: FTW7007 – SP380922SE Battery
Sku: FTW7009 – SP380922SE Battery
Sku: FTW7022 – SP390919 Battery
Sku: FTW7019 – SP390919 Battery

Other models Model Chart

Note: All mechanical watches do not need batteries, they automatically wind themselves. The mechanical watch range includes the Townsman Automatics, FB-01 automatics, Grant and Neutra.

Here are some of the Fossil watch movements and the batteries required:

Quartz Chronographs – SR621SW battery

Quartz Thee hand movements -SR626SW battery

Multifunction  – SR927SW Battery

>> Seiko Watch Battery Replacement Guide

How much does it cost to replace a Fossil Watch Battery?

These small button batteries are very inexpensive, most of these can be bought on Amazon for under $5.

Obviously, if you take it to a shop they charge you at least $25 for this service.

How to change your Fossil Watch Battery

If you have a lot of watches, we recommend investing in a watch back removal wench like below.

Watch Wrench Back Remover taking the back off a Seiko

Here’s a handy guide on how to change your Fossil watch battery once you have bought your replacement.

  1. Place your watch face down on a towel to stop the face scratching
  2. If the watch has a slot on the back insert a coin and rotate anti-clockwise (left)
  3. If the watch does not have an insert, push down with your thumb and twist
  4. Very carefully remove the old battery with a small screwdriver
  5. Replace with your new battery


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