Apple Watch Ultra Cases & Screen Protectors: Complete Guide

The Apple Watch Ultra is built as a rugged 49 mm outdoor smartwatch, but the large display and exposed case can still pick up everyday scratches and knocks. This guide combines useful information about the watch itself with a detailed look at every protector and case currently listed in the MEZON Apple Watch Ultra collection.

1. Confirm your Apple Watch Ultra generation

All three Ultra generations use a 49 mm case, so size alone is not enough to identify the watch. On the paired iPhone, open the Watch app > My Watch > General > About, then check the model information. Choose an accessory specifically listed for the Apple Watch Ultra.

2. Apple Watch Ultra at a glance

The Ultra family is designed around a large 49 mm case, flat sapphire display and outdoor-focused hardware. Here are some useful details specific to the Apple Watch Ultra:

• Original Ultra: Introduced in 2022 as Apple’s first 49 mm Ultra model, with a natural titanium case and flat sapphire front crystal.
• Display: Always-On Retina LTPO2 OLED display, 410 × 502 pixels, 1,185 mm² display area and up to 2,000 nits brightness.
• Chip and storage: S8 SiP with a 64-bit dual-core processor, W3 wireless chip, U1 Ultra Wideband chip and 32 GB capacity.
• Outdoor hardware: The first Ultra introduced the orange Action button, dual-frequency L1/L5 GPS, depth gauge, water-temperature sensor and loud dual-speaker/siren design.
• Battery: Apple rates the original Ultra for up to 36 hours of normal use.
• Durability: 100 m water resistance, IP6X dust resistance, MIL-STD 810H testing and recreational diving support to 40 m.

Technical information referenced from Apple’s official technical specifications.

3. Why protect an Apple Watch Ultra?

The Ultra already has a flat sapphire crystal and a rugged titanium case, but that does not make it immune to cosmetic damage. A watch is exposed on the outside of your wrist, so desks, gym equipment, door frames, rocks and other hard surfaces can make direct contact with it. A replaceable screen protector can take everyday marks, while a hard PC case protects the titanium body and raised edges.

4. Case options for Apple Watch Ultra

4.1. Black hard PC case

The black hard PC case gives the Ultra a darker, more uniform look while protecting the exposed titanium case.

• Hard polycarbonate shell protects the watch body from everyday knocks and scratches.
• Black finish creates a more understated appearance and hides minor surface marks well.
• Reinforced corners and raised bezel add protection around vulnerable edges.
• Precision openings preserve access to the Digital Crown, Action button and other controls.
• MEZON lists the case as compatible with wireless charging.

Choose the black case if you want stronger visual contrast and a finish that hides everyday marks well.

Recommended from MEZON: MEZON Premium Black Hard PC Protective Case for Apple Watch Ultra (49mm)

4.2. Crystal clear hard PC case

The clear hard PC case protects the watch body while leaving the titanium finish visible.

• Hard polycarbonate shell adds protection around the watch body, corners and raised edges.
• Clear finish keeps the original titanium colour and industrial Ultra design visible.
• Raised bezel helps reduce direct contact between the display edge and hard surfaces.
• Precision cut-outs keep the Digital Crown, Action button, side button and speaker/microphone areas accessible.
• MEZON lists the case as compatible with wireless charging.

Choose the clear case if you want body protection without visually covering the Ultra’s titanium finish.

Recommended from MEZON: MEZON Premium Crystal Clear Hard PC Protective Case for Apple Watch Ultra (49mm)

5. Screen protector options for Apple Watch Ultra

The live MEZON range currently gives you two screen-protection choices: ultra-clear TPU film for a very thin finish, or tempered glass for a harder protective layer.

5.1. Case-friendly tempered glass

The 2-pack tempered-glass protector adds a harder sacrificial layer over the flat sapphire display.

• 9H tempered glass offers stronger scratch and impact protection than flexible film.
• Ultra-clear glass is designed to preserve display clarity and touchscreen sensitivity.
• Case-friendly dimensions leave practical clearance around the watch case.
• Bubble-free adhesive is designed for straightforward installation.
• Two glass protectors are included.

Choose tempered glass if harder impact protection matters more than having the thinnest possible protector.

Recommended from MEZON: [2 Pack] MEZON Apple Watch Ultra (49 mm) Premium Tempered Glass Protector

5.2. Ultra-clear TPU film screen protector

The 3-pack ultra-clear TPU film is the thinnest screen-protection option in the current MEZON Ultra range.

• Flexible TPU adds a replaceable layer against fine scratches and abrasion.
• Ultra-clear finish keeps the watch display bright and easy to read.
• Thin material preserves natural touchscreen responsiveness.
• Model-specific 49 mm cut is designed around the flat Ultra display.
• Three films are included, giving you replacements when the first protector becomes worn.

Choose TPU film if you want minimal thickness and mainly want protection from everyday scratches.

Recommended from MEZON: [3 Pack] MEZON Apple Watch Ultra (49 mm) Ultra Clear TPU Film Screen Protectors

6. TPU film vs tempered glass: which is better?

Neither is automatically better; they suit different priorities. TPU film is almost invisible and adds very little thickness. Tempered glass is more rigid and provides stronger resistance to direct scratches and knocks, but it is more noticeable on the watch.

7. Using a case and screen protector together

For more complete everyday protection, combine one hard PC case with either the TPU film or tempered glass. Install the screen protector first, let it settle, then fit the case and check that the case edge does not press against or lift the protector.

The clear case is the better visual match if you want the titanium finish visible. The black case changes the appearance more noticeably and is useful if you prefer a darker, more uniform look.

8. Installation tips

8.1. TPU film

1. Clean the flat display thoroughly and remove every visible dust particle.
2. Dry-align the film before exposing adhesive.
3. Apply progressively from one aligned edge rather than placing the whole film down at once.
4. Move larger bubbles gently towards an edge with a clean microfibre cloth or soft card wrapped in the cloth.
5. Give very small bubbles or installation marks time to settle.

8.2. Tempered glass

1. Clean and dry the screen completely.
2. Check alignment around the flat display before removing the backing.
3. Lower the glass carefully and allow the adhesive to spread naturally.
4. Avoid repeatedly lifting and reapplying the glass because this can introduce dust.

8.3. Hard PC cases

1. Wipe dust from the watch body first so grit is not trapped underneath the case.
2. Fit the case carefully over the watch body without forcing the controls.
3. Check that the Action button, Digital Crown, side button, microphones and speakers remain unobstructed.
4. Remove the case occasionally to clean trapped dust and moisture.

9. Complete current MEZON range for Apple Watch Ultra

The live collection currently contains the following four model-specific products:

10. FAQ: Apple Watch Ultra cases & screen protectors

What size protector or case do I need?

These accessories are for the 49 mm Apple Watch Ultra case. Still confirm the exact Ultra generation before ordering because MEZON maintains separate generation-specific product listings.

Does an Ultra need a screen protector if it already has sapphire crystal?

Sapphire crystal is highly scratch resistant, but a replaceable protector can still be useful if you want an additional sacrificial surface against everyday contact and knocks.

TPU film or tempered glass?

Choose TPU film for minimum thickness and scratch protection. Choose tempered glass if you prefer a harder layer over the display.

Clear case or black case?

The protection concept is similar. Clear keeps the titanium finish visible; black gives the watch a darker appearance and tends to hide small surface marks better.

Can I use a case and protector together?

Yes. Install the screen protector first and make sure the case does not push against its edges.

Will the case interfere with wireless charging?

MEZON lists the clear and black hard PC cases as compatible with wireless charging.

Shop the current MEZON Apple Watch Ultra collection