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The nickname “Sommatore”, meaning “adder” or “totalizer” in Italian, was given to the model by Italian collectors due to its particularly innovative chronograph display. Unlike traditional chronographs of the era, where elapsed minutes were indicated through a small subsidiary register, the Sommatore featured centrally displayed chronograph indications, allowing elapsed timing to be read in a much clearer and more immediate way. This unusual system gave the watch a highly technical and instrumental character, making it one of the most distinctive Longines chronographs ever produced.

At the heart of the watch lies the legendary manually wound caliber 13ZN, considered by many collectors to be one of the greatest chronograph movements ever produced. Equipped with the sophisticated flyback function, developed for aviation and professional timing applications, the movement perfectly showcases Longines’ technical innovation during the golden age of chronograph production.

The present example stands out for its particularly attractive and sporty configuration. The large stainless steel case with stepped bezel and round chronograph pushers is paired with a beautiful silvered dial featuring Arabic numerals, outer minute track and elegantly proportioned subsidiary registers.

It is further accompanied by digital Extract from the Archives confirming production of the watch in 1949.

During the 1930s and 1940s, Longines established itself as one of the foremost manufacturers of wrist chronographs, producing timepieces celebrated for both their technical innovation and refined aesthetics. Among the manufacture’s most iconic creations stands the reference 4270, an exceptionally rare waterproof chronograph introduced in 1938 and immediately recognizable by its distinctive “mushroom” pushers, known among Italian collectors as “Pulsanti ad Ombrello”. Combining elegant proportions with highly advanced mechanics for the period, the model perfectly represents the golden age of Longines chronograph production.

The reference 4270 is fitted with the legendary manually wound caliber 13ZN, widely regarded as one of the greatest chronograph movements ever produced. Featuring the sophisticated flyback function, originally developed for aviation and professional timing purposes, the caliber allowed the chronograph hand to instantly reset and restart with a single push of the lower pusher. Together with its waterproof case construction and oversized proportions for the era, the reference 4270 remains today one of the most important and collectible vintage Longines chronographs.

The present example perfectly embodies the strong sporting character of the model. The large stainless steel case with stepped bezel retains the unmistakable design language of early waterproof chronographs, while the attractive black multiscale dial gives the watch an especially charismatic appearance.

Further enhancing its appeal, the watch is accompanied by its Longines Extract from the Archives confirming its production in 1938 and its delivery to Ostersetzer, Longines’ historical agent for Italy.

The Cartier Tank hardly needs an introduction. First introduced in 1917, its design language has remained remarkably unchanged for over a century, making it one of the most iconic and enduring watch designs ever created. Among the many variations developed throughout the decades, the Tank Normale represents the purest interpretation of Louis Cartier’s original vision, defined by its perfectly balanced rectangular case, parallel brancards and timeless elegance. Worn by artists, actors and cultural icons alike, the Tank established itself as a true symbol of refined style and understated luxury.

This particular example, produced in the 2020s as a limited edition of only 200 pieces, offers a refined contemporary reinterpretation of the classic Tank Normale. Crafted in platinum, the watch features a beautifully satin-finished case enhanced by Cartier’s signature red cabochon crown, traditionally reserved for platinum models. The elegant, silvered dial retains the Maison’s iconic Roman numerals, here presented in a slightly more graphic and contemporary style, paired with metallic sword hands that further emphasize the purity of the design. Powered by a manually wound movement, this Tank perfectly combines timeless proportions, understated luxury and modern refinement.

Introduced in 1968, the Patek Philippe Ellipse quickly became one of the Maison’s most distinctive and elegant creations. Conceived during a period in which watch design was moving toward cleaner and more contemporary forms, the Ellipse represented a perfect balance between minimalism and refinement. Its iconic case proportions were inspired by the “Golden Ratio”, the mathematical principle long associated with harmony and aesthetic perfection in art and architecture. With its slim profile, understated dial layouts and precious integrated bracelets, the Ellipse embodied the discreet sophistication that defined Patek Philippe throughout the 1970s and early 1980s.

The present Patek Philippe Golden Ellipse ref. 3586/1, dating to 1981 and accompanied by its Extract from the Archives, perfectly captures the timeless elegance of the model. Crafted in white gold, the watch features the refined minimalist design that made the Ellipse one of Patek Philippe’s most iconic dress watches. Its deep blue sunburst dial is undoubtedly the highlight of the piece, displaying beautiful shifting tones under the light, from vibrant electric blue to darker navy nuances. Applied white gold baton indexes and slender hands further enhance the purity and balance of the design. The elegant integrated white gold bracelet seamlessly extends the fluid lines of the ultra-thin case, giving the watch a sophisticated vintage character while maintaining a remarkably modern presence on the wrist.

The Rolex GMT-Master stands among the most emblematic tool watches ever produced, originally developed in the 1950s to meet the needs of intercontinental pilots navigating multiple time zones. Over time, the model transcended its purely functional origins to become a symbol of both technical innovation and understated elegance. Within this lineage, examples retailed by Tiffany & Co. occupy a particularly rarefied position, reflecting a period when Rolex partnered with prestigious retailers to co-sign dials, adding an additional layer of exclusivity and historical intrigue.

According to its serial number, this example was manufactured in 1969, placing it within one of the most desirable production periods of the reference 1675. It features the sought-after “Long E” dial, distinguished by the elongated central stroke in the Rolex signature, a subtle yet highly appreciated detail among collectors. The matte black dial has developed a rich and even patina, with tritium hour markers and hands aging to a warm creamy tone, enhancing the overall visual harmony.

The stainless steel case retains strong proportions, complemented by a bi-color “Pepsi” bezel insert that has naturally faded over time into a striking fuchsia spectrum, a phenomenon that gives each piece a unique identity and is particularly coveted within the collecting community. The co-signed Tiffany & Co. signature further elevates the watch, marking its original sale through the iconic New York retailer and reinforcing its rarity within the GMT-Master lineage. Combined with the Long E dial and the exceptional bezel aging, this detail contributes to a compelling narrative that bridges tool watch heritage with the world of high-end retail.