About This Watch
The Audemars Piguet Royal Oak Offshore Chronograph 26400IO combined titanium case construction with a black ceramic bezel for a lightweight, durable package that was one of the most comfortable Offshore chronographs ever produced. At approximately 95 grams, the titanium case was dramatically lighter than the steel version, allowing the 44mm case to wear comfortably for extended periods. The black ceramic bezel provided scratch resistance and a bold visual contrast against the lighter titanium case. The grey "Mega Tapisserie" dial added a tonal sophistication, with yellow chronograph hands and registers providing pops of color. The caliber 3126/3840, a reliable column-wheel chronograph, delivered proven performance. Since discontinuation in favor of the new-generation 26420 series, the 26400IO has become a collector favorite, with the titanium-ceramic combination recognized as one of the most wearable material pairings in luxury chronograph history. The 44mm case size that might seem imposing in steel becomes remarkably comfortable in titanium, proving that material selection is just as important as case dimensions in determining on-wrist comfort.
Specifications
Movement
| Movement Type | Automatic |
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| Caliber | AP 3126/3840 |
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| Power Reserve | 50 hours |
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| Frequency | 21,600 vph |
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| Jewels | 59 |
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Case
| Case Diameter | 44.0mm |
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| Case Thickness | 14.4mm |
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| Case Material | Titanium with Black Ceramic bezel |
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| Crystal | Sapphire |
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| Bezel | Fixed, black ceramic octagonal with exposed screws |
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| Dial Color | Grey "Mega Tapisserie" |
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| Lug-to-Lug | 52.0mm |
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Features
| Water Resistance | 100m / 328ft |
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| Bracelet/Strap | Grey rubber strap |
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| Clasp | Titanium pin buckle |
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| Weight | 95g |
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| Complications | ChronographDate |
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