The **Zenith El Primero Rainbow Flyback** is a true high-performance chronograph featuring a **high-beat movement, quickset date mechanism, and a full-body winding rotor**, making it one of the most **robust, reliable, and accurate** automatic chronographs ever produced. This legendary movement has powered everything from the iconic **A386 chronograph** to the **Rolex Daytona**. In 1996, Zenith elevated their engineering further by adding a **Flyback function** to the Rainbow Line—allegedly as a contender for a **French Air Force contract** that never materialized. # Specifications: 📅 **Era**: Late 1990s ⌚ **Case Size:** 40mm 📏 **Lug-to-Lug**: 46.5mm 📏 **Thickness**: 12.8mm 📏 **Lug Width**: 20mm ⚙️ **Movement:** Automatic **El Primero Flyback Chronograph** – running strong 🔗 **Bracelet**: Original, fits approximately **7.25" wris**t This example remains in **very good overall condition** ( one call out on the bezel near the pip).  Performs strong good amplitude and timekeeping. Watch only on an OG Tropic strap with an aftermarket German-made clear case back. The original case back is included as pictured. The original Bracelet also fits approximately 7 1/4" wrist. Pricing & Payment: 💰 **$3,350 shipped CONU**S 💳 **Wire Transfer or Zelle (other methods can be discussed, but no PayPal)**. # Additional Details: 📸 **Pictures and timestamps available in the listin**g ❓ **Happy to answer any questions**