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The Zenith Defy Skyline 36 is a family of compact, angular steel watches, not one single configuration. The exact reference matters: the silver-dial model 03.9400.670/01.I001 has a standard faceted bezel, while 16.9400.670/51.I001 pairs a blue dial with a diamond-set bezel. Zenith lists an Elite 670 automatic movement, approximately 50 hours of power reserve and 10 ATM water resistance for the documented versions. This guide covers what the manufacturer specifies; it does not claim hands-on findings about fit, finish, accuracy or durability.
What is the Zenith Defy Skyline 36?
Zenith describes the Defy Skyline 36 as a smaller, unisex take on the angular Skyline design. The collection pairs a 36 mm octagonal steel case with a faceted bezel and a dial pattern inspired by the brand’s four-pointed star. A quick-change system allows the bracelet to be exchanged for the supplied rubber strap. The collection includes different dial colors, strap colors and bezel treatments, so the family name alone does not identify a specific watch. Zenith’s Defy Skyline 36 collection page shows the range.
Which version is this guide about?
The reference number is the clearest way to distinguish the documented configurations. The silver-dial steel model is reference 03.9400.670/01.I001. The blue-dial model with a diamond-set bezel is reference 16.9400.670/51.I001. Zenith’s 2023 press material also identifies a blue-dial steel model as reference 03.9400.670/51; do not confuse it with the diamond-set version, whose reference begins with 16. Zenith’s Spain listing for 03.9400.670/01.I001 and its US listing for 16.9400.670/51.I001 identify those specific watches.
| Configuration | Dial and bezel | Price shown in cited material |
|---|---|---|
| 03.9400.670/01.I001 | Silver dial, standard faceted bezel | €9,500 on Zenith’s Spain listing, accessed October 8, 2026; localized listing price, not a universal quote. Zenith |
| 03.9400.670/51 | Ice-blue dial, steel bezel configuration | CHF 8,400 at launch in June 2023; historical launch price, not a current quote. Zenith Press Room |
| 16.9400.670/51.I001 | Blue dial, diamond-set bezel | US$13,300 on Zenith’s US listing, accessed October 8, 2026. Zenith |
| 16.9400.670/51 | Diamond-set model cited in Zenith’s 2023 launch material | CHF 11,900 at launch in June 2023; historical launch price, not a current quote. Zenith Press Room |
These figures cover different references, currencies, markets and dates, so they are not a like-for-like price comparison. Check the exact reference and local listing when considering a purchase.
What are the movement and key specifications?
For the documented silver-dial steel reference 03.9400.670/01.I001, Zenith specifies its Elite 670 automatic movement, running at 28,800 vibrations per hour (4 Hz), with approximately 50 hours of power reserve. The manufacturer lists a 36 mm case and 10 ATM water resistance. Zenith’s 2023 material gives the same core movement rate, reserve and water-resistance figures for the models it covers. These are manufacturer specifications, not independent timing or water-resistance test results. The product listing and 2023 launch material provide the cited figures.
A 10 ATM rating is a stated specification, not a blanket guarantee for every water activity or for a watch in any condition. Follow Zenith’s current guidance for the specific watch and have its water resistance checked as appropriate.
Does the Defy Skyline 36 come with an extra strap?
Zenith says the listed steel configurations are supplied with a steel bracelet and a patterned rubber strap, using a quick-change system. The rubber strap’s color depends on the version. The collection page shows multiple strap colors, but the cited materials do not establish separate strap compatibility or retail availability for every configuration. Verify what is included with the exact reference and seller before buying.
How much does the Zenith Defy Skyline 36 cost?
There is no single price that applies to every Defy Skyline 36. As of October 8, 2026, Zenith’s Spain site displayed €9,500 for the silver-dial steel 03.9400.670/01.I001, while its US site displayed US$13,300 for the diamond-bezel 16.9400.670/51.I001. Those are market-specific listings for different configurations. Zenith’s June 2023 launch prices—CHF 8,400 for the blue-dial steel reference and CHF 11,900 for the diamond-set model—are historical and should not be treated as current quotes.
Is the Zenith Defy Skyline 36 worth considering?
The manufacturer’s specifications establish the design, movement, stated reserve, water-resistance rating and included strap setup, but they cannot establish how the watch wears on an individual wrist or how its finishing, clasp and timekeeping perform in practice. No independent wrist trial, accuracy measurement or durability test is represented here. For a considered evaluation, identify the exact reference, compare the bezel and dial you want, and try the watch on if fit is decisive; nominal case diameter alone does not establish wrist fit.
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