Apple Watch Size Guide: 45mm vs 49mm
Before ordering a ViedeFit case band, take a moment to confirm the case size of your Apple Watch.
ViedeFit Ultra case bands are designed specifically for the 49mm Apple Watch Ultra case shape. They are not designed to fit 45mm Apple Watch Series models.
| Apple Watch case size | Common watch type | Fits ViedeFit Ultra case bands? |
|---|---|---|
| 45mm | Larger Apple Watch Series models, including selected Series 7, Series 8, and Series 9 versions | No |
| 49mm | Apple Watch Ultra family | Yes — choose a ViedeFit 49mm Ultra case band |
| 44mm or 46mm | Other large Apple Watch Series or SE models | No |
Quick answer
Do ViedeFit case bands fit a 45mm Apple Watch?
No. ViedeFit Ultra products combine a fitted protective case and an integrated band into one complete setup.
Because the case fits around the body of the watch and aligns with the Digital Crown, Side Button, Action Button, speaker, and charging area, your watch must have the correct 49mm Apple Watch Ultra case shape.
A 45mm Apple Watch Series model will not fit inside a ViedeFit Ultra case band.
How to Find Your Apple Watch Case Size?
1. Remove the watch from your wrist
You do not normally need to remove the existing band. Simply turn the watch over so that the rear sensor is facing you.
2. Look around the rear sensor
The case size is engraved in the text surrounding the sensor.
Look for a marking such as:
45MM — Apple Watch Series size
49MM — Apple Watch Ultra size
3. Confirm the watch family
For a ViedeFit Ultra case band, the back of your watch should show both:
Apple Watch Ultra
49MM
4. Check the model through your iPhone when needed
Open the Apple Watch app on your iPhone and go to:
My Watch → General → About → Model Number
Apple also recommends using the model number in the Watch app when you need to identify the exact Apple Watch model.
Important:
A Band and a Case Band Are Different
Some standard Apple Watch bands can connect across several larger case sizes. Apple states that certain bands made for 44mm, 45mm, 46mm, and 49mm cases can share connector compatibility.
However, a ViedeFit case band is not just a replacement strap.
It includes a fitted case structure that surrounds the watch body. This means that connector compatibility alone is not enough—the case shape and size must also match.
In simple terms:
A standard 49mm strap may connect to some 45mm watches.
A ViedeFit 49mm case-and-band setup will not fit a 45mm watch.
Your watch must be an Apple Watch Ultra 49mm.
Which ViedeFit Size Should I Choose?
All current ViedeFit Ultra case bands are designed around the Apple Watch Ultra 49mm form factor.
Choose a ViedeFit Ultra case band when:
The back of your watch says 49MM
Your watch is an Apple Watch Ultra
You want an integrated case-and-band upgrade rather than a standard replacement strap
Do not order a ViedeFit Ultra case band when your watch says:
44MM
45MM
46MM
41MM
42MM
Always check the compatibility information on the individual product page before completing your order.
Shop Apple Watch Ultra 49mm Case Bands
Upgrade your Apple Watch Ultra with a fitted protective case and integrated band designed for a stronger, more complete wrist setup.
SPORT-READY MODEL
ViedeFit Ultra X1 Case Band
Rugged sport protection for commuting, training, and weekend wear. Best for: Active everyday wear
HYBRID METAL MODEL
ViedeFit Ultra Hybrid Metal Case Band
Metal structure with a sport-band core for a bolder everyday setup. Best for: Business casual and daily style
METAL PROTECTION MODEL
ViedeFit Ultra Armor Case Band
A full-metal case-and-link band setup built for a stronger, more elevated Ultra look. Best for: Everyday protection with a premium finish
STATEMENT METAL MODEL
ViedeFit Ultra Chrono Metal Case Band
A luxury tool-watch-inspired metal case band with a bold bezel and bracelet design. Best for: The strongest visual transformation
Apple Watch Size Guide FAQ
Does a ViedeFit 49mm case band fit a 45mm Apple Watch?
No. ViedeFit Ultra case bands include a fitted case that is shaped for the 49mm Apple Watch Ultra body. A 45mm Apple Watch Series case has different dimensions and control placement.
Can a standard 49mm Apple Watch band fit a 45mm watch?
Some standard Apple Watch bands share connector compatibility across larger case sizes. However, this does not apply to a fitted case-and-band product. ViedeFit Ultra case bands require a 49mm Apple Watch Ultra.
Is 49mm the wrist size?
No. The 49mm measurement refers to the height of the watch case, not your wrist circumference.
Where can I find the size of my Apple Watch?
Turn the watch over and look for the size engraved around the rear sensor. You can also find the model number in the Apple Watch app on your iPhone under My Watch → General → About.
Do ViedeFit Ultra case bands fit Apple Watch Series models?
No. The current ViedeFit Ultra case-band collection is designed for the 49mm Apple Watch Ultra case shape, not standard Apple Watch Series cases.
Is the Apple Watch included?
No. ViedeFit products are aftermarket case-and-band accessories. The Apple Watch shown in product images is for fit and styling reference only.