Encased in 42mm of stainless steel, the Zenith Defy Skyline ref. 03.9500.3600/51.I001 features a striking blue sunray-patterned dial adorned with ZENITH’s signature starry sky motif. Rhodium-plated, faceted hour markers and hands, all coated with Super-LumiNova SLN C1, ensure exceptional legibility day or night. A discreet date window at 4:30 integrates seamlessly into the dial’s contemporary design.

Built for versatility and performance, the watch is water-resistant to 10 ATM (100 meters) and equipped with a screw-down crown. The sapphire crystal caseback reveals the beautifully finished El Primero 3600 caliber, complete with a special satin-finished oscillating weight and a robust 60-hour power reserve.

The Defy Skyline Chronograph also features ZENITH’s full interchangeable strap system, delivered with both a stainless steel bracelet and an additional blue rubber strap, allowing effortless transitions from refined elegance to sporty versatility.

Key Highlights

• Legendary El Primero 3600 automatic chronograph
• 1/10th of a second chronograph with 5Hz (36,000 VpH) frequency
• Blue sunray dial with signature star-pattern design
• Interchangeable bracelet & rubber strap system
• 60-hour power reserve
• Sapphire exhibition caseback
• Swiss luxury sports chronograph icon

Watch Specifications

• Brand: ZENITH
• Model: Defy Skyline Chronograph
• Reference: 03.9500.3600/51.I001
• Case:
• Material: Stainless steel
• Diameter: 42 mm
• Crown: Screw-down
• Water Resistance: 10 ATM / 100 meters
• Caseback: Sapphire crystal display back

Dial

• Color: Blue-toned sunray pattern
• Design: Starry sky motif
• Hour Markers: Rhodium-plated, faceted, Super-LumiNova SLN C1
• Hands: Rhodium-plated, faceted, Super-LumiNova SLN C1

Movement:

• Caliber: El Primero 3600 (Automatic)
• Frequency: 36,000 VpH / 5Hz
• Power Reserve: Approx. 60 hours
• Escapement: Silicon escape wheel and lever
• Finishing: Satin-finished special oscillating weight

Functions:

    Hours and minutes (central)
    1/10th of a second chronograph
     Date at 4:30
     Stop-second mechanism

Bracelet & Strap:

• Stainless steel bracelet with folding clasp
• Additional blue rubber strap with stainless steel folding clasp
• Full interchangeable strap system

Why Choose the ZENITH Defy Skyline Chronograph?

The Defy Skyline Chronograph is more than a luxury sports watch—it’s a technical statement. Combining avant-garde design, extreme precision, and everyday robustness, it stands as one of the most advanced automatic chronographs available today. Whether worn as a daily powerhouse or a collector’s centerpiece, it delivers unmistakable ZENITH DNA at every glance.