18.9300.3630/78.I001Ref

The 2026 limited edition Defy Skyline Tourbillon Skeleton, reference 18.9300.3630/78.I001, is crafted from rose gold and limited to 50 pieces. Its 41 mm case houses an openworked blue dial and the automatic El Primero 3630 SK movement, which features a 60-second tourbillon at 6 o’clock. The watch offers 10 ATM water resistance, a 50-hour power reserve, and a quick-change system for its rose gold bracelet and rubber strap.