Chronoswiss

Regulator Jumping Hour

Reference Number :

CH-8321R

Series : Heritage

Retail: $19,580

(As of: 04/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Chronoswiss. If you are interested in selling this watch to us, you can contact us here.

Quick TakeThis Chronoswiss isn't just telling time; it's performing it with a wink. Forget a lazy hour hand crawl – the CH-8321R delivers the hour with a satisfying click right at 12 o'clock, a little digital drama on a meticulously traditional stage. The 18-karat red gold case glows with warmth, a perfect contrast to the cool, intricate dance of the guilloche pattern on the solid silver dial. It’s like wearing a piece of history, but one with a secret modern gadget built-in. The regulator layout, separating hours, minutes, and seconds, nods to old-school precision clocks, demanding a moment longer to read, making you appreciate the passage of time itself. Then you catch the flash of those thermally blued hands, shaped like elegant leaves, sweeping over the engraved landscape. It feels substantial, thoughtful, a conversation starter that blends classical watchmaking artistry – look at that hand-bent minute hand! – with a complication that’s just plain fun. It’s serious craftsmanship delivered with unexpected character.

DescriptionThe timepiece designated as reference CH-8321R incorporates a housing fabricated from 18-karat red gold, presenting a diameter dimension of 40 millimeters and a vertical height profile measuring 9.75 millimeters. Construction integrity is ensured through the utilization of a screw-down case back, which features a satin finish and incorporates a sapphire crystal aperture for movement observation. Complementing this is a polished screw-down bezel, distinguished by side knurling and a full-thread design, enhancing both aesthetic appeal and functional security. The overall case finish involves a combination of polished surfaces juxtaposed with areas exhibiting a satin finish, creating a nuanced visual texture. Water ingress protection is rated at 3 bar, equivalent to a depth of 30 meters, suitable for incidental exposure to moisture but not for swimming or diving activities. The lug interface accommodates a band width of 20 millimeters. The assembly comprises a total of 29 distinct parts contributing to the external architecture and mechanism housing. Attachment to the wrist is facilitated by a strap crafted from calfskin, which has been embossed to mimic an alligator pattern, concluding in either a traditional pin buckle or an optional folding clasp mechanism for secure fastening and deployment. This detailed construction underscores a commitment to material quality and precision engineering in the watch's external design elements, balancing robustness with refined aesthetics suitable for its classification.

Powering the CH-8321R is the Caliber C. 283, an automatic mechanical movement operating at a frequency of 4 Hz, corresponding to 28,800 alternations per hour (A/h). This operational frequency contributes to the smooth sweep of the seconds hand and overall timekeeping stability. The movement integrates 27 jewels, which serve as low-friction bearings for critical rotating components, enhancing longevity and efficiency. A power reserve of approximately 42 hours is provided when the mainspring is fully wound, allowing the watch to maintain operation for nearly two days off the wrist without requiring manual winding or movement. Time indication is executed via a distinctive regulator layout combined with a digital jumping hour. The hours are displayed numerically through an aperture positioned at the 12 o'clock location, instantaneously changing at the top of the hour. Minutes are indicated by a central, off-center hand, while a subsidiary dial situated at the 6 o'clock position displays the running seconds. The dial itself is a complex component, manufactured from solid sterling silver (specifically, alloy 925) and intricately decorated with a guilloche pattern, adding significant visual depth and traditional craftsmanship. The hands are of the "Feuille" shape, characterized by their leaf-like form. They undergo a thermal bluing process, achieving a distinct blue hue, are diamond cut for sharp faceting, and possess a gentle curvature. Notably, the minute hand is meticulously bent by hand to ensure optimal clearance and aesthetic harmony with the dial's topography.

GenderMen

SignaturesChronoswiss

Country of OriginSwitzerland

Case Size40 mm

MovementAutomatic

CaliberC. 283

FunctionsHours, Minutes, Seconds, Jumping Hour

Power Reserve42 Hours

Case MaterialsRed Gold

Bezel MaterialsRed Gold

Lug MaterialsRed Gold

Case BackSapphire Crystal