Not all rubber is the same material. Silicone and standard rubber share a category name and diverge at almost every practical property: silicone is lighter, softer against the skin, more UV-stable, and more consistently hypoallergenic than generic rubber compounds. For the Aquaracer 300 owner who spends long hours in the water — in saltwater, under UV, against skin that may be sensitive to standard rubber over extended contact — those differences matter. The TAG Heuer Aquaracer 300 Silicone Rubber Strap specifies silicone rather than rubber because the buyer who arrives at this listing has already decided silicone is the correct compound for their use. 21mm or 22mm, 120mm + 90mm, folding buckle at 18mm. The Aquaracer 300 in the softer, lighter, skin-friendlier material.
Silicone Specifically. Aquaracer 300 Exactly.
- Silicone — lighter, softer, and more skin-neutral than standard rubber — silicone’s polymer structure produces properties that distinguish it from generic rubber in ways that compound across extended wear: lighter mass that reduces the total wrist load during long active sessions; a softer surface that remains comfortable against skin through hours of continuous contact in and out of the water; and a material composition that is consistently hypoallergenic, avoiding the contact reactions that some standard rubber compounds can cause on sensitive skin after extended wear in water. For the swimmer or diver who wears the Aquaracer 300 for sessions measured in hours rather than minutes, the silicone specification is the one that remains comfortable to the end of the session.
- UV-stable across extended outdoor exposure — silicone maintains its colour, flexibility, and surface quality under UV exposure across seasons of outdoor wear and water sessions. Standard rubber can discolour and degrade under sustained UV exposure; silicone does not. For the Aquaracer 300 worn through open-water swimming and outdoor diving across summer months, that UV stability preserves the strap’s appearance across conditions that would affect cheaper compounds.
- Water-resistant for all aquatic activities — silicone handles saltwater, chlorine, freshwater, and the temperature variation from cold open-water to heated pools without absorbing moisture or degrading. It performs identically in and out of the water, dries immediately on emergence, and requires no care between sessions.
- 21mm and 22mm — both Aquaracer 300 lug widths in silicone — both lug widths the Aquaracer 300 carries across its reference range are available in the silicone specification, each correctly built to the case dimension.
- 120mm + 90mm — the extended short section for larger wrists and over-suit wear — the 90mm short section accommodates the larger wrist that extended active wear often implies, and provides the length for closing over a wetsuit sleeve where standard 70-75mm short sections fall short.
- Folding buckle at 18mm — secure for water entry, convenient for removal — positive locking action before entering the water, single-handed release afterwards. The flat closed profile sits cleanly against the wrist or wetsuit during the session.
For the Aquaracer 300 Owner Who Chose Silicone for a Reason.
The buyer who specifically searches for silicone on the Aquaracer 300 has already compared the materials and reached a conclusion. They want the lighter, softer, skin-friendlier compound rather than generic rubber — for sensitivity reasons, for comfort across long sessions, or for the UV stability that standard rubber doesn’t consistently deliver. This listing provides silicone confirmed, in the dimensions and closure the Aquaracer 300 requires, without asking the buyer to accept generic rubber as an equivalent.
This strap is the right choice for:
- Skin-sensitive Aquaracer 300 owners who have experienced contact reactions with standard rubber straps during extended water wear and need the hypoallergenic silicone alternative.
- Long-session swimmers and divers for whom silicone’s lighter weight and softer surface represent a genuine comfort improvement over standard rubber across sessions measured in hours.
- UV-exposure outdoor wearers who want the colour and surface stability that silicone delivers across sustained open-water and outdoor use that standard rubber doesn’t match.
- 21mm Aquaracer 300 owners who want the silicone specification at the narrower lug width that most rubber strap listings don’t cover alongside 22mm.
Specifications
| Detail | Specification |
|---|---|
| Material | Silicone Rubber |
| Compatibility | TAG Heuer Aquaracer 300 |
| Width Options | 21mm and 22mm |
| Long Side Length | 120mm |
| Short Side Length | 90mm |
| Buckle Type | Folding Buckle |
| Buckle Size | 18mm |
| Water Resistance | Yes — all water activities |
Silicone confirmed, both widths, the Aquaracer 300 in the better-for-skin compound. Add to cart today.



















