Jacob & Co. Epic X Chrono Rose Gold Green Dial (Satin-Finished)
EC312.42.PB.GN.AHB4D
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The Jacob & Co. Epic X Chrono 47MM is a bold evolution of the Epic X collection, designed for high-performance and high-energy pursuits. Inspired by the mystique of the letter "X", this timepiece seamlessly blends technical innovation with an avant-garde aesthetic. Encased in polished and brushed titanium, the 47mm case is accentuated by robust crown guards and pusher protectors, reinforcing its sporty, protective build. The X-shaped skeletonised dial reveals the intricate mechanics beneath, with a translucent green mineral glass layer adding depth and dimension. The bi-compax chronograph layout, powered by the self-winding JCAA05 movement, delivers a power reserve of 48 hours. A unique rotating inner bezel, adjusted via a second crown at ten o’clock, allows for on-the-fly countdowns and timing markers, enhancing functionality. The exhibition caseback provides a glimpse of the signature Jacob & Co. winding rotor, while a water resistance of 200 metres ensures resilience in extreme conditions.
Full Specification
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Brand Jacob & Co.CollectionEpic X ChronoSeriesN/AModel NoEC312.42.PB.GN.AHB4D
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MovementFeatures Chronograph, Rotating Bezel, Small SecondsMovement AutomaticCalibre JCAA05CaseCase Size 47 mmCase Thickness 14 mmCase Shape RoundCase Material Rose Gold & CeramicBezel Unidirectional Rotating BezelCase Back See-through Case BackGlass Material Sapphire CrystalDialLuminosity On HandsDial Colour GreenStrapStrap Material RubberStrap Colour WhiteClasp Type Deployment ClaspBuckle/Clasp Material TitaniumOtherGender MenWater Resistance (M) 200Warranty Period 2 YearsCountry of Origin Switzerland
About the Jacob & Co. Epic X Chrono Collection
The Jacob & Co. Epic X Chrono collection continues to push the boundaries of watchmaking, combining technical sophistication with bold design. The collection's name, 'Epic,' underscores the grandeur and adventure at its core, while the 'X' introduces a mysterious allure. The initial 47mm version captivated the watch world with its larger-than-life presence, and the subsequent introduction of the 44mm variant expanded its appeal to a broader audience. As always, Jacob & Co. have balanced cutting-edge design with mechanical ingenuity, making the collection not only an aesthetic marvel but also a high-performing timepiece.
Design And Iterations
The Epic X Chrono 44mm retains the core design ethos of the original 47mm version but introduces a sleeker and more versatile silhouette. The iconic X shape, which runs diagonally across the dial from the lugs, remains a hallmark of the collection, symbolising its adventurous spirit. The skeletonised dial and the strategically placed crown guards enhance the robust yet refined look. The use of materials such as titanium, carbon, and precious metals further demonstrates the versatility and luxurious appeal of the timepiece. The 47mm is the collection’s original version and is known for its commanding presence on the wrist. This large case design allows for bold use of colour and intricate detailing, such as the skeletonised bridges and unique dial layout. Though slightly larger than the later models, the 47mm version is equally wearable, often chosen by those who prefer a more statement-making piece.
The X-shaped design, present in both case sizes, reinforces the collection's identity and adds a layer of complexity to its aesthetics. Another significant iteration in this collection is the use of different materials and colour schemes, each lending a unique character to the Epic X Chrono. Titanium models, for instance, emphasise the sporty, durable nature of the watch, while gold versions add a touch of opulence. Limited editions, featuring exclusive materials such as carbon fibre or PVD-coated cases, further elevate the collection’s exclusivity, making each version feel distinct and personalised.

ABOUT THE MOVEMENT
Jacob & Co. developed the calibre JCAA05 with Concepto to power their Epic X Chrono watches. This self-winding chronograph movement is based on the design of Valjoux 7750. However, it has been thoroughly modified, replacing 7750's lever-and-cam system with a horizontal clutch column wheel mechanism and adorning the plates and bridges with fine polishing and circular graining. JCAA05 is composed of 260 components, 27 jewels, and an anthracite rotor engraved with the brand signature. It strengthens a bicompax chronograph configuration featuring small seconds and 30 minutes. The movement also supports a 60-minute timer on the rotating inner ring. With a frequency of 28,800vph, the calibre promises a power reserve of 48 hours.

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- Brand Jacob & Co.
- Reference JCAA05
- Movement Automatic
- Display Analog
- Power Reserve Approx. 48 hours
- Jewels 27
- Frequency 28800 bph
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