Silicon Strap 38mm for Apple Watch Personalize your 38mm Apple Watch with this sporty replacement, no nonsense silicone watch strap. It?s comfortable and easy to install. Specifications: - Apple Watch is not included - Fits all 38mm Apple Watch models: Series 1, 2 & 3 Watch / Sport / Edition / Nike+ / Hermés - This is not an original Apple product - Wrist Size: Fits 155mm - 195mm wrists Is my watch 38mm or 42mm? To check the size of your watch, turn it over and refer to the small font engraved on the back. It should stipulate the correct size.