Zenith DEFY Skyline

Zenith

Zenith DEFY Skyline

Zenith DEFY Skyline (reference 03.9300.3620/21.I001) — specifications, measurements, watch images and standardized wrist-fit previews for informed comparison.

The 41 mm DEFY Skyline combines Zenith’s octagonal steel sports case with the high-frequency El Primero 3620 automatic calibre and a 60-hour power reserve.

Best forHigh-frequency movement, integrated-sports styling and interchangeable bracelet/strap versatility.
Not ideal forBuyers seeking a traditional round dress watch or a lower price segment.

At a glance

Reference03.9300.3620/21.I001
Model lineDEFY Skyline
Production statusCurrent
Official size41
Watch technology InfoMechanical
DisplayAnalog
Movement InfoAutomatic
Calibre / operating system InfoEl Primero 3620
Key features InfoDate
Complication InfoDate|1/10-second indication
Case diameter Info41 mm
Power reserve / runtime60 hours
OriginSwiss Made
Recommended wrist Info14–20 cm
Price categoryLuxury

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Strengths and considerations

Strengths

  • High-frequency movement, integrated-sports styling and interchangeable bracelet/strap versatility.

Considerations

  • Buyers seeking a traditional round dress watch or a lower price segment.
See sources

Manufacturer and technical references used to verify this watch specification.

Specifications last verified: 2026-08-14.

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