You can use this protective case conveniently due to its simple structure design. Protective shell features dustproof, anti-fall and scratch-resistant, which can well protect the watch. Made of high-quality TPU material, it s lightweight and comfortable. The diameter of the product is 52.3mm. Protective shell is compatible for Suunto 7. Item Name: Protective Shell Material: TPU Color: Transparent White, Transparent Black, Transparent Blue Compatible Model: for for Suunto 7 Features: Dustproof, Anti-fall, Easy Installation Size Details: Diameter: 52.3mm/2.06" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Protective Shell (Others Not Included)