[Fitbit Charge 3 & 4] Flexi Silicone - Red
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Our Silicone Fitbit Charge 3 & 4 watch straps are the perfect accessory for fitness and everyday wear.
- Fitbit Charge 3 and Charge 4
- Silicone Material
- Highly adjustable strap to suit a large range of wrist sizes
|Fitbit Model||Strap Length||Wrist Size (Circumference)|
|Charge 3/ Charge 4
||Small - Medium||140mm - 190mm|
TLDR: Make sure the strap you buy is a quick release strap for a smart watch. Find your smart watch below.
For smartwatches, ensure you purchase a Quick Release or two piece strap to ensure it doesn't cover your heart rate sensors.
A two piece strap is literally just that... it has two pieces and attaches to each end of the watch.
A single piece strap will travel underneath the watch which will block heart rate sensors. If you don't care about your heart rate, you can most definitely use these as well.
Be sure not to confuse the strap width with strap length.
Finding your strap size can be quite confusing. We'll try to make this as simple as possible
Method 1: Using a Ruler
The easiest and most accurate way to find your strap size is to use a ruler and measure between the lugs (aka measuring the "lug width").
The lugs are the pointy ends of your watch which hold the strap onto the watch.
As you can see, we've measured this two ways, the top measuring device shows 22mm, but also, the bottom tape measure measures 22mm.
This means in our store, you would select a 22mm strap! That's it!
PS: Our straps will measure slightly smaller than 22mm so that it fits to your watch!
We do NOT recommend using camera ruler apps on your phone to measure. These can be inaccurate as a 1mm difference is enough for the strap to not fit to your watch.
Method 2: The lazy method:
What you will need:
- Your watch brand
- Your watch model number, year, name (model numbers are ideal because a manufacturer may change the size between different model numbers)
What you need to know:
This method works best for the more 'popular' brands/models. If you don't have the exact specifics of the watch - do not use this method.
Go to Google and in the search field, type the following:
(BRAND) (YEAR / MODEL NAME/NUMBER) Lug Width
Rolex 2016 Submariner 114060 Lug Width
Daniel Wellington 2019 Cornwall lug width
You will be able to find different websites which will state the lug width of the watch you are looking for. Here's an example of what to look for:
Note: if you have an odd numbered strap size, for example, a 21mm lug width, you can use a 20mm strap on your watch. This will mean there will be a 1mm gap however.