Zenith Chronomaster El Primero Open 'On the Fly' Extension LinkPRE ORDER NOTICE: Weve received unprecedented demand for Zenith On The Fly Links. A second batch of 50 units is now in production, with estimated shipping in April 2026. Timelines may run over slightly depending on final QC. Pre orders are final, so please only purchase if you intend to keep your watch. YOUR BRACELET IS NEVER THE PERFECT FIT Morning: perfect. Afternoon: too tight. Evening: too loose. Heat, cold, and movement change your wrist your