Cartier Tank MC Chronograph Manufacture "LC" Collaborateur Edition in Stainless Steel, featuring a Silvered Guilloché Flinqué Dial with Bold Black Roman Numerals, Blued Steel Sword-Shaped Hands, Secret Cartier Signature Hidden within the Roman Numeral VII, Extremely Rare "LC" Collaborateur Diamond Signature at 6 O’Clock, Twin Chronograph Registers, Date Display, Faceted Crown Set with a Blue Spinel, Sapphire Crystal Exhibition Case Back, Cartier Manufacture Caliber 1904-CH MC Automatic Column-Wheel Chronograph Movement, Semi-Matt Black Alligator Leather Strap with Stainless Steel Fold-Over Deployant Buckle, 34.3mm x 44mm.

The Cartier Tank MC Chronograph Manufacture "LC" Collaborateur Edition is one of the rarest and most fascinating modern interpretations of the legendary Tank ever produced. While preserving the unmistakable architectural DNA that has defined the Tank collection since Louis Cartier first introduced it in 1917, the Tank MC transforms the iconic rectangular silhouette into a thoroughly modern masculine chronograph without sacrificing any of the elegance that made the original famous. Crafted in stainless steel, the beautifully proportioned 34.3mm x 44mm case features alternating polished and satin-brushed surfaces, broad sculpted brancards, and crisp architectural lines that create exceptional wrist presence while remaining unmistakably Cartier. The stunning silvered guilloché flinqué dial radiates with intricate engine-turned waves beneath Cartier’s signature oversized Roman numerals, beautifully complemented by elegant blued steel sword-shaped hands and a finely printed railway minute track. The chronograph registers are perfectly integrated into the dial, with the 30-minute counter at 3 o’clock, 12-hour counter at 9 o’clock, and a discreet date aperture positioned at 6 o’clock, maintaining remarkable symmetry despite the watch’s technical complexity. Hidden within the Roman numeral VII lies Cartier’s celebrated secret signature, while an even more extraordinary detail appears between the chronograph registers at 6 o’clock: the tiny diamond-shaped "LC" Collaborateur signature, identifying this watch as an exceptionally rare internal Cartier Collaborateur Edition produced exclusively for select members of the Maison. Completing the design is Cartier’s signature faceted crown adorned with a brilliant blue spinel, while a sapphire crystal exhibition case back reveals the exceptional manufacture movement within.

Powering this remarkable timepiece is the Cartier Manufacture Caliber 1904-CH MC, the Maison’s first fully integrated in-house automatic chronograph movement, developed specifically for the Tank MC. Unlike modular chronographs, the 1904-CH MC was engineered from the ground up as a true integrated chronograph, incorporating a sophisticated column-wheel control system and vertical clutch for exceptionally smooth and precise chronograph operation. The movement features double mainspring barrels for improved torque stability and consistent timekeeping, stop-seconds for precise time setting, ceramic ball bearings for long-term durability, and an advanced regulating system designed for enhanced efficiency and reliability. Beautifully decorated with traditional Côtes de Genève finishing, the movement can be admired through the sapphire crystal exhibition case back, revealing Cartier’s growing mastery as a true manufacture. Blending refined finishing with robust everyday performance, the 1904-CH MC represents one of the most significant technical achievements in Cartier’s modern watchmaking history.

The Collaborateur Edition elevates an already exceptional watch into an entirely different category of collectibility. These special production pieces were never offered through Cartier boutiques and were instead reserved exclusively for select employees, executives, collaborators, and individuals closely associated with the Maison. The discreet "LC" diamond hallmark on the dial serves as the only outward indication of this extraordinary provenance, a subtle detail that most collectors will never notice but one that immediately distinguishes the watch to those familiar with Cartier’s most exclusive productions. Because these editions were manufactured in extremely limited quantities and almost never publicly documented, they seldom appear on the secondary market and remain largely unknown even among seasoned Cartier enthusiasts.

The Cartier Tank MC Chronograph Manufacture "LC" Collaborateur Edition represents everything that has made Cartier one of the world’s great watchmakers: timeless design, refined proportions, exceptional mechanical innovation, and understated exclusivity. Combining the Maison’s first in-house chronograph movement, one of the finest modern Tank designs ever created, and an extraordinarily rare Collaborateur designation that few collectors will ever encounter, this watch stands among the most coveted and elusive modern Cartier timepieces. For the serious Cartier collector, opportunities to acquire an authentic "LC" Collaborateur Edition are exceptionally rare, making this not only a remarkable chronograph, but an important and highly collectible piece of contemporary Cartier history.

Reference No. WSTA0020