154 Breguet A fine and elegant, Equation of time, perpetual calendar, leap year indicator, automatic wristwatch in pink gold, with guilloché silvered dial, hand-engraved skeletonized movement, with guarantee and presentation box.

Estimate: CHF 18,000 –⁠ 36,000

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ModelEquation of time
Reference3477
Case MaterialPink gold
Bracelet MaterialLeather
YearCirca 1990s
MovementAutomatic, Cal. 502 QPET, 38 jewels
Case N°4'619
Movement N°10'488
Dimensions36mm Diameter
SignedCase, dial and movement
AccessoriesAccompanied by Breguet guarantee, leather wallet, booklet, fitted presentation box and outer packaging

Few names in horology command the reverence of Breguet, a maison whose very DNA is interwoven with the fabric of watchmaking history. Founded by the legendary Abraham-Louis Breguet, arguably the most important watchmaker of all time, the brand’s legacy is defined by ingenuity, elegance, and innovation. From the groundbreaking tourbillon to the unmistakable flair of Breguet hands, numerals, and the overcoil balance spring, its contributions to the art of timekeeping are immeasurable. Every Breguet timepiece pays tribute to this heritage, and the Classique Perpetual Calendar Equation of Time reference 3477 is no exception. A perpetual calendar alone is a mechanical feat, but this watch offers far more than a simple QP. It masterfully incorporates one of horology’s most poetic and esoteric complications: the equation of time, a display of the difference between mean and true solar time, an age-old fascination for astronomers and watchmakers alike. Encased in a perfectly proportioned 36mm pink gold case, the watch radiates classical sophistication, with its smooth bezel and signature fluted coin-edge caseband. Beneath the sapphire crystal lies a dial that is a canvas of guilloché artistry: a silvered tapestry adorned with deep black Roman numerals and a symphony of indications, all unfolding with elegant precision. The perpetual calendar’s day aperture sits just below 12 o’clock, the equation-of-time display resides at 1:30, the leap year cycle is subtly placed at 8 o’clock, and a sweeping month hand arcs gracefully across the dial. A power reserve indicator at 10:30 ensures the wearer is always informed, while the date is prominently positioned above 6 o’clock. Completing the composition are heat-blued Breguet hands—evocative of 18th-century pocket watches and adding the final stroke of refinement. This is Breguet at its finest—an intellectually profound timepiece that blends mechanical complexity with timeless grace, an heir to the maison’s unparalleled legacy. The timepiece is further accompanied by its original Guarantee, fitted presentation box and outer packaging.

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Auction Preview GENEVA
Eternity Gallery, Place de Longemalle 19
9 – 10 May, from 10 AM to 7 PM

LUGANO
Villa Principe Leopoldo
3 June – from 2 PM to 8 PM
4 June – from 10 AM to 8 PM
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