About This Watch
The Zenith Defy Extreme Open combines the rugged DNA of the Defy Extreme line with the visual drama of an open-worked dial, creating a watch that is both a tool and a horological showcase. The titanium case provides durability and lightness at 45mm, while the silver-toned skeleton dial reveals the inner workings of the El Primero 9004 caliber from every angle. The movement's 36,000 vph frequency is visible through the exposed escapement, and the column-wheel chronograph mechanism is partially revealed through strategic apertures in the mainplate. What makes the Extreme Open special is its titanium bracelet with rubber inlay links — a unique construction that combines the presence of a metal bracelet with the flexibility and comfort of rubber, while adding visual contrast. The rubber bezel inlay protects against impacts and adds grip for wet-handed operation. With 200 meters of water resistance, this is a genuinely capable sports watch despite its sophisticated movement display. The 50-hour power reserve ensures reliability, and the 1/10th second chronograph capability via the central chronograph hand adds genuine timing utility. The Defy Extreme Open is for collectors who want maximum visual impact from their movement and refuse to compromise on durability. It bridges the gap between haute horlogerie aesthetics and extreme sports functionality.
Specifications
Movement
| Movement Type | Automatic |
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| Caliber | El Primero 9004 |
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| Power Reserve | 50 hours |
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| Frequency | 36,000 vph |
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| Jewels | 35 |
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Case
| Case Diameter | 45.0mm |
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| Case Thickness | 14.5mm |
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| Case Material | Titanium |
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| Crystal | Sapphire with anti-reflective coating |
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| Bezel | Fixed, titanium with rubber inlay |
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| Dial Color | Skeleton silver |
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| Lug Width | 24mm |
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| Lug-to-Lug | 51.5mm |
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Features
| Water Resistance | 200m / 656ft |
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| Bracelet/Strap | Titanium bracelet with rubber inlay links |
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| Clasp | Titanium folding clasp |
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| Weight | 130g |
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| Complications | ChronographDate1/10th SecondOpen Heart |
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