You can use this protective case conveniently due to its simple design. The protective shell provides dustproof, anti-fall, and scratch-resistant protection to help safeguard your watch. Made of high-quality TPU material, it is lightweight and comfortable to use. The diameter of the product is 52.3mm. This protective shell is compatible with the Suunto 7. Item Name: Protective Shell Material: TPU Color: Transparent White, Transparent Black, Transparent Blue Compatible Model: Suunto 7 Features: Dustproof, Anti-fall, Easy Installation Size Details: Diameter: 52.3mm / 2.06" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Please allow slight variations in dimensions due to manual measurement. Package Includes: 1 x Protective Shell (Other items not included)