⚡ Universal Compatibility: Fits all Apple Watch sizes—38mm, 40mm, 41mm, 42mm, 44mm, and 45mm. Works with Series 1–9, SE, and Ultra. ✅ Compatibility: Apple Watch 38mm, 40mm, 41mm, 42mm, 44mm, 45mm. Compatible with Apple Watch Series 1–9, SE, and Ultra (38mm to 45mm).