AeroGuard Steel Sport Pro Case & Band System — Apple Watch Ultra 3/2/1, Series 11/10 (49mm / 46mm / 45mm / 44mm)
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Avontic Apple Watch Sport Armor Collection
Stainless Steel Protective Case + Vented Rubber Sport Band
For Selected Apple Watch Ultra and Large-Case Series Models
Flexible Sport-Band Control.
AeroGuard Steel Sport Pro pairs a stainless steel open-face protective case with a flexible vented rubber band and stainless steel buckle. The coordinated system gives compatible Apple Watches a more rugged, athletic profile while helping shield the outer frame, bezel edge, and corners from everyday scratches, scuffs, light bumps, and surface contact.
The included case must match the exact Apple Watch generation and engraved case size. A band may fit several related Apple Watch sizes, but the steel protective case will not. Do not select only by “large band” compatibility.
Why AeroGuard Steel Sport Pro
A standard sport band changes the feel of the strap but leaves the watch body visually unchanged. AeroGuard upgrades both areas: the stainless steel case adds a stronger metal-frame appearance, while the rubber band keeps the wrist setup flexible for commuting, walking, gym sessions, outdoor routines, travel, and active workdays.
The vent-groove design creates channels along the band instead of a completely flat interior surface, while the traditional buckle-and-hole closure provides repeatable sizing without removable links.
Designed for sport-luxury daily wear
Stainless Steel Protective Case
Adds a rigid metal outer frame around the bezel, corners, and watch body to help reduce direct contact with common surfaces.
Open-Face Display Design
Leaves the Apple Watch display directly accessible without adding a permanent touch layer over the screen.
Vented Rubber Sport Band
Flexible construction follows the wrist during everyday movement, while the grooved design adds a more technical, athletic appearance.
Stainless Steel Buckle
Provides familiar hole-by-hole adjustment and a coordinated metal detail that complements the protective case.
Precision Functional Openings
The correct case preserves access to the Digital Crown, side button, Action Button where applicable, microphones, speakers, rear sensors, and charging surface.
Extensive Color Combinations
Multiple case-and-band pairings let you choose a subdued, contrast, or high-visibility sport configuration.
Compatibility comes first
Apple Watch Ultra — 49mm
Dedicated option for Apple Watch Ultra 3, Ultra 2, and the original Ultra, all in 49mm.
Series 11 — 46mm
Choose only the dedicated Series 11 46mm option. Series 11 is also sold in 42mm, but that exact variant must be explicitly confirmed.
Series 10 — 46mm
Choose only the dedicated Series 10 46mm option. Series 10 is also sold in 42mm, but that case must be specifically identified.
Generic 45mm / 44mm / 42mm Options
Use only when the product option explicitly matches your watch generation and engraved size. Diameter alone is not enough for a fitted case.
The current 42mm label requires extra caution
Apple Watch Series 10 and 11 use a newer 42mm case, while Series 1–3 also had an older 42mm case with different geometry. Do not order the generic 42mm case unless the selector or seller confirms your exact generation.
Installation and first-use check
1. Verify the Exact Variant
Confirm the Apple Watch generation, engraved millimeter size, and selected case/band color code.
2. Clean and Align
Remove dust and debris, then align the case openings with the crown, buttons, speakers, and microphones.
3. Seat the Watch Carefully
Press the watch into the case gradually without forcing the display edge, crown, or control openings.
4. Complete a Function Check
Test the crown, buttons, touchscreen, microphones, speakers, sensors, charging, buckle, and both band connections.
What’s included
1 × Model-Specific Stainless Steel Protective Case
1 × Vented Rubber Sport Band with Stainless Steel Buckle
Apple Watch, charger, front screen protector, and unrelated accessories are not included. Installation hardware or a tool is included only when expressly supplied with the selected configuration.
Protection and care
AeroGuard helps reduce exposure to common scratches, scuffs, light bumps, and surface contact but cannot prevent every type of damage. The open-face case does not cover the display and does not increase the watch’s water-resistance rating. After sweat, rain, swimming, saltwater, sunscreen, or workouts, remove trapped moisture and debris and dry the watch, case, band, buckle, and connectors completely.
Reinforce the Frame. Add Sport Comfort. Choose the Exact Apple Watch Fit.
Confirm the generation and engraved case size, then select your preferred case-and-band combination above.
Sizing Guide for Apple Watch
| Model | Case Sizes (Engraved) | Order Band Size | Order Case/Protector |
|---|---|---|---|
| Apple Watch Ultra 3 / Ultra 2 / Ultra (1) | 49 mm | 49 mm (also fits 42/44/45/46 mm) | 49 mm only |
| Series 11 | 42 mm, 46 mm | 42 mm or 46 mm | Match engraving (42 mm or 46 mm) |
| Series 10 | 42 mm, 46 mm | 42 mm or 46 mm | Match engraving (42 mm or 46 mm) |
| Series 9 / 8 / 7 | 41 mm, 45 mm | 41 mm or 45 mm | Match engraving (41 mm or 45 mm) |
| SE (2nd & 1st Gen) | 40 mm, 44 mm | 40 mm or 44 mm | Match engraving (40 mm or 44 mm) |
| Series 6 / 5 / 4 | 40 mm, 44 mm | 40 mm or 44 mm | Match engraving (40 mm or 44 mm) |
| Series 3 / 2 / 1 | 38 mm, 42 mm | 38 mm or 42 mm | Match engraving (38 mm or 42 mm) |
Quick Example:
If your Apple Watch says 41 mm on the back → Order a 41 mm band and 41 mm case.
Choose options