Precision, Power, and Modern Elegance!
The Zenith Defy Skyline 03.9300.3620/78.I001 is a bold reinterpretation of contemporary watchmaking — combining architectural design, technical innovation, and everyday versatility. Its sharply faceted 41mm stainless steel case and signature twelve-sided bezel give this piece a unique wrist presence, while the vibrant sunburst blue dial with an engraved four-pointed star pattern adds visual depth and distinction.
Key Features & Specifications
Model: Defy Skyline
Reference: 03.9300.3620/78.I001
Case Size: 41mm
Case Material: Stainless Steel
Bezel: Fixed Twelve-Sided Stainless-Steel Bezel
Case Thickness: Approx. 11.6mm
Dial: Sunburst Blue with Engraved Four-Pointed Star Pattern and 1/10th Second Subdial
Movement: Zenith El Primero 3620 Automatic
Number of Jewels: 26
Power Reserve: Approx. 60 Hours
Functions: Hours, Minutes, Small Seconds, 1/10th of a Second
Crystal: Scratch-Resistant, Anti-Glare Sapphire Crystal (Front and Caseback)
Strap: Integrated Stainless-Steel Bracelet + Additional Black Rubber Strap
Clasp: Folding Clasp with Push-Buttons
Water Resistance: 100 Meters / 10 ATM
Box & Papers: Includes Original Zenith Box, Warranty Card, and Extra Strap
DELIVERY CONTENTS
Watch is New & Unworn
Inner and Outer Zenith Boxes with travel case
Additional Rubber Strap
Polishing Cloth
Instruction Booklet
Warranty Card dated 3/29/25 and holder
Under warranty until 2030 and get an additional 3 years coverage until 2033 once you register!!
CONDITION
Watch is in New & Unworn, most of watch is still covered with factory protective wrap. All functions are working properly and keeping accurate time on timegrapher. Serial numbers are obscured in photos for privacy reasons. All photos are taken by our in-house photographer of the actual item and is the best visual description of the condition we can provide. We do not use any stock photos. Please refer to the photos closely for condition. If you need additional photos or have any questions, please feel free to contact us.
AUTHENTICITY
We fully stand behind and guarantee that all our pieces are 100% authentic. For your extra peace of mind, all our pieces are backed by eBay’s Authenticity Guarantee. Each piece is inspected by an independent expert before you receive it, so you can buy in complete confidence that it is authentic and just as we have explained in our listing.
SHIPPING TERMS
All domestic shipments have a 2-day handling time and are shipped using Fed Ex 2 Day Service. All shipments are fully insured, and tracking numbers provided. For International Shipping please contact us directly for assistance to your destination.
RETURNS
Returns accepted for 14 days from purchase. Buyer responsible for any return shipping costs and must be in the exact condition they were delivered with all boxes, manuals and paperwork included.
WARRANTY INFORMATION
Adrenaline Timepieces is not a dealer nor affiliated with any of the brands that we sell. All items are considered as pre-owned. Any warranty provided is the remaining factory warranty if still valid.
ABOUT THE SELLER
I am an avid watch collector and love anything and everything about luxury timepieces. I am 100% committed to providing you with an exceptional timepiece at a reasonable price backed by my 5 Star customer service. I am happy to answer any questions about the watch you might have. Just reach out to me via messages.
I have many references in the watch world and am happy to provide them as needed.
I specialize in delivering exceptional timepieces with professional 5 Star service to match!
Product Enquiry

$8,849.00