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The final example of one of history’s most complicated wristwatches
Konstantin Chaykin is one of the most inventive independent watchmakers of the modern era, known for combining high complication watchmaking with creative designs that few have seen before. Working from Russia, Chaykin has built a reputation for creating expressive timepieces that blur the line between horology and art, most notably through his “Wristmon” creations that give watches a face and personality.
This year, the watchmaker is set to unveil one of his most ambitious works, the White Rabbit, as it enters the spotlight as the only example ever to appear publicly at auction. The watch, which was originally released as a six piece limited series and sold out long before completion, will be offered by Ineichen Auctioneers in Zurich, Switzerland, on 13 December 2025.
The watch is housed in a titanium case measuring 42 mm in diameter and 18 mm in thickness. Its most striking feature is its transformable construction, allowing it to convert from a wristwatch into a pocket watch and back again. The structure is highly complex, built from 169 components and designed with dual displays on both sides. Water resistance is rated at 20 metres.

The front white dial features three types of guilloché decoration and a multi layer lacquer finish. The reverse side uses a sandblasted surface with pad printed details. Chaykin’s signature “Joker” indication is used to display the time, where rotating discs serve as eyes to indicate the hours and minutes. The dial also displays numerous astronomical and calendar indications, including leap year, moon phase, sunrise and sunset, and zodiac sign.
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Powering the watch is the manually developed Calibre K.18-22. It operates at a frequency of 21,600 vph (4 Hz) and delivers a power reserve of 68 hours. The movement is composed of 691 components and contains 86 jewels. It integrates sixteen complications, including the proprietary Joker indication for hours and minutes using rotating eye discs, a perpetual calendar displaying date, day, month, and leap year, a day length indicator, a night length indicator, dead beat seconds, a moon phase display, instantaneous a.m. and p.m. indication, sunrise and sunset time indicators, a zodiac sign display, and the suspended time function activated by a dedicated pusher.

The watch is fitted with a leather strap secured by a titanium steel pin buckle. The piece will be sold at auction by Ineichen in Zurich on 13 December 2025, and its final value will be determined by bidders.
For more information, visit Konstantin Chaykin official website.
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