Hermes
Tank Solo Or & Acier Grand Modèle - Full-Set Brown Crocodile Bracelet

Cartier Tank Solo reference 2742-W1018855, example sold in 2018, rectangular case measuring approximately 31 × 24.4 mm with an exceptionally slim profile, upper case and celebrated brancards in 18-carat 750/1000 rose gold combined with a stainless-steel caseback, silvered opaline dial with black Roman numerals, railway minute track, secret Cartier signature incorporated into numeral X, blued-steel sword-shaped hands, hours-and-minutes display, sapphire crystal, beaded crown set with a blue cabochon, brown crocodile strap, Swiss Made Cartier calibre 157 quartz movement, 32,768 Hz electronic oscillator, 4 jewels, battery-powered with autonomy measured in several years depending upon the battery fitted and operating conditions, original water resistance rated to 3 bar or 30 metres, watch supplied with its original Cartier warranty card dated 2018, inspected and authenticated by the Mostra workshop, accompanied by a Mostra Certificate of Authenticity and covered by Mostra’s 3-year warranty.

“A Tank never needs an explanation for why it is elegant. Two brancards, a rectangle, twelve Roman numerals and two blue hands have been enough for more than a century. Louis Cartier’s true achievement may not simply have been to create a new watch shape in 1917, but to draw a form whose modernity time itself has never managed to exhaust.”

The 2018 Cartier Tank Solo 2742-W1018855 belongs to one of the most important lineages in the entire history of the wristwatch. To understand this small rectangle of rose gold, steel and brown leather, one must return to 1917, when Louis Cartier imagined a watch whose architecture broke with the round cases then dominating horology. Its inspiration has become famous: seen from above, the structure recalls the first military tanks of the Great War, with a central body placed between two parallel tracks. Yet everything changes between the military machine and the watch Cartier created from it. The tracks become two remarkably refined brancards, the central rectangle becomes a dial and the strap naturally continues the lines of the case. An object born from heavy machinery was thus transformed into one of the most delicate expressions of Parisian design.

The original idea proved so accurate that it has travelled through more than a century without losing its identity. Tank Louis Cartier, Tank Cintrée, Tank Américaine, Tank Française, Must de Cartier and Tank Solo each explore a different aspect of the concept, yet all remain immediately connected to the 1917 design. The Tank Solo offers a deliberately pure interpretation: straighter lines, an extremely slim profile, a traditional dial and no unnecessary complication. It preserves everything required to identify a Tank at a glance while adopting a construction conceived for contemporary use.

The 2742-W1018855 reference adds the distinctive presence of 18-carat rose gold to that purity. Precious metal forms the visible architectural part of the case, while stainless steel brings rationality to the back. This combination preserves the warmth and depth of rose gold when the Tank is worn while remaining perfectly coherent with the philosophy of the Solo. It therefore does not read like a conventional two-tone watch with a mixed-metal bracelet; on the wrist what one sees first is genuinely a frame of rose gold surrounding the Cartier dial, naturally continued by leather.

At approximately 31 × 24.4 mm, its proportions also remind us of a truth often forgotten in contemporary watchmaking: a watch does not need to be large in order to have presence. A rectangle occupies the wrist differently from a circle. The two long brancards visually extend the silhouette towards the strap, while the restrained width preserves the distinctive elegance of a shaped watch. The Tank Solo can consequently disappear beneath a cuff and reappear with the slightest movement of the wrist with considerably more character than its dimensions might suggest. The silvered opaline dial is almost a watchmaking vocabulary in itself. Black Roman numerals immediately structure the space, the railway minute track creates a second rectangle at its centre and the blued sword-shaped hands introduce colour that constantly changes with the light. Depending upon the position of the wrist, they can appear almost black before suddenly revealing a deep blue. This is one of those Cartier details that never tries to dominate but ultimately becomes indispensable to the balance of the design.

A closer look at the X numeral also reveals the celebrated secret Cartier signature, discreetly incorporated into its typography. This detail has become one of the house’s characteristic signs and contributes to Cartier’s particular way of placing sophistication in elements that are not necessarily noticed at first glance. Nothing is ostentatious; the watch simply rewards the person who takes the time to look.

The Tank Solo deliberately dispenses with central seconds and a date display. Two hands are enough. This simplicity gives the dial an almost surprising stillness: at a quick glance nothing appears to move, yet time advances. That absence of visible movement contributes to the calm of the Tank and distinguishes it profoundly from a sports watch. It reminds us that a timepiece can be highly sophisticated without multiplying information.

The blue cabochon on the beaded crown provides another essential punctuation. Positioned at the side of the case, it visually echoes the blued hands and turns a functional control into an element of style. At Cartier, the relationship between mechanics and decoration is never incidental. The crown could simply be a means of setting the time; instead it becomes one of the details through which the watch is immediately recognised.

The brown crocodile strap works especially well with this combination. Brown naturally complements the warm tone of rose gold and provides greater softness than a black strap would. It also allows the Tank to move very easily beyond the territory of the strictly formal dress watch. With a white shirt, jacket, dress, cashmere knitwear or simply denim, the watch retains genuine elegance without requiring any particular occasion.

The natural texture of crocodile adds another dimension to this highly graphic composition. Against the smooth surfaces of gold and sapphire, the scales bring relief and recall that a luxury watch is not experienced through sight alone. The way the strap gradually takes the shape of the wrist, the suppleness of the leather and the contrast between material and metal all contribute directly to the pleasure of wearing the watch.

The sapphire crystal protects the dial and makes this Tank entirely compatible with genuine everyday use. Its slimness might suggest fragility, yet the Solo was precisely designed to combine this elegance with modern construction. Sapphire offers excellent resistance to ordinary scratching and allows the dial to preserve its clarity over time.

Inside works the Cartier calibre 157, a compact Swiss Made quartz movement particularly coherent with the proportions of this Tank. Its electronic oscillator operates at 32,768 Hz and the movement contains 4 jewels. There is naturally no mechanical frequency expressed in vibrations per hour and no wound power reserve: energy is supplied by a battery and the extremely regular oscillation of quartz provides the reference for timekeeping.

Quartz should be understood here as part of the design concept rather than simply an alternative to a mechanical movement. It allows Cartier to maintain an exceptionally slim profile, essential to both the visual balance and comfort of a small Tank. Only a few additional millimetres would have been enough to change dramatically the way the watch sits on the wrist. In this watch, technology deliberately remains discreet so that the line can retain the leading role.

Quartz also provides a very practical advantage within a collection. This Tank can remain unworn for several days or weeks before being picked up again without the need to wind a movement or reset a stopped calendar. Two hands, one crown and the time: use is immediate. This simplicity is entirely consistent with the quiet sophistication of the Tank Solo.

Battery autonomy is normally measured in several years depending upon the type of cell fitted and operating conditions. On a pre-owned quartz watch, however, Mostra does not merely confirm that the hands indicate the time. Electrical consumption, the condition of the power supply and the absence of oxidation or damage from a previous battery are among the important points inspected before the watch is offered for sale.

Original water resistance is rated to 3 bar, or 30 metres. This figure represents protection against humidity and accidental splashes and should obviously not be interpreted as suitability for swimming. With its crocodile strap and dress-watch construction, the Tank belongs to the city, travel and daily life rather than the water. On a 2018 watch, any present-day resistance should in any case be assessed through a recent inspection rather than relying solely upon the original specification.

This 2742-W1018855 also helps explain why the Tank has almost entirely freed itself from questions of gender. For more than a century, different generations of men and women have worn it in widely differing sizes. The restrained dimensions of this example naturally give it an elegance particularly suited to wrists that appreciate discreet watches, yet the Tank has always been more a matter of style than classification.

Its cultural history confirms this. Few watches have moved so effortlessly through literature, cinema, fashion, politics and the arts. A Tank can appear extremely classical on one wrist and almost unconventional on another. That is probably one of the keys to its longevity: the design possesses a powerful identity without ever dictating the identity of the person wearing it.

The Tank Solo occupies a distinctive position within this family. For many years it allowed the essential historical signatures of Cartier to be experienced in a watch that was slightly more contemporary and exceptionally easy to wear. Its design is less precious in expression than a Tank Louis Cartier, less architectural than an Américaine and less metallic than a Tank Française. This intermediate position gives it remarkable versatility.

With the rose-gold W1018855, however, precious metal clearly elevates the interpretation. Its light is never that of an entirely steel watch. It changes with its surroundings, becoming warmer indoors and brighter in sunlight, while the restrained dimensions prevent it from becoming demonstrative. It is precisely this combination of small proportions and genuine precious metal that gives the version much of its charm.

The year 2018 places this example in the latter part of the Tank Solo’s career, before Cartier significantly renewed its Tank offering in the early 2020s. This already gives it an interesting place in the recent history of the house: modern enough to offer sapphire, quartz precision and exceptional ease of use, yet now belonging to a discontinued collection that is beginning to be regarded as a distinct generation.

This period also coincides with the gradual return of interest in shaped watches and smaller dimensions. After years dominated by large sports watches, many collectors are rediscovering the elegance of restrained proportions. The Tank never needed to follow this movement because it had never really abandoned these dimensions; the market simply returned to it.

The presence of the original Cartier warranty card dated 2018 adds further interest to this example. It precisely connects the watch with its original retail period and provides a valuable element of traceability. The document naturally does not make the watch a Full Set on its own, but it clearly distinguishes the example from a Tank offered completely alone and contributes to the continuity of its history. For someone looking for a first Cartier, this rose-gold Tank Solo therefore represents a particularly compelling proposition. It combines one of the most important designs of the house, the genuine presence of 18-carat gold, a precise and easy-to-live-with movement and a crocodile strap that immediately gives it its full elegance. It can be worn every day while retaining the precious character revealed whenever light catches the brancards.

Within a collection already containing sports watches, its role can be even more interesting. After a Rolex Submariner, Omega Speedmaster or Tudor Black Bay, the Tank offers a completely different experience. There is no bezel, no scale, no seconds hand to watch and no depth rating to compare: only design and time. That change of rhythm is often precisely what one seeks when building a genuinely varied collection.

Choosing this 2018 Cartier Tank Solo 2742-W1018855 from Mostra means benefiting from more than forty years of experience in collectible watches, our highly regarded integrated watchmaking workshop in Aix-en-Provence and one of the largest selections of high-end pre-owned watches in the South of France. A shaped Cartier requires a specific assessment: case geometry, preservation of the rose-gold brancards, condition of the surfaces, dial, hands, cabochon, sapphire crystal, strap and movement are all examined to determine the true quality of the individual example. Our workshop also inspects the Cartier calibre 157, its electrical consumption, power supply, time-setting operation and overall condition. The original warranty card forms part of the documentary coherence examined with the watch. The objective is not merely to offer a watch that runs, but an authenticated and documented example prepared to continue being worn.

Mostra’s verified customer reviews carry a 5-star rating, reflecting an approach based upon expertise, transparency and support after the sale. This Cartier is supplied with its brown crocodile strap, original Cartier warranty card dated 2018, a Mostra Certificate of Authenticity and is covered by the Mostra 3-year warranty. Its future owner therefore receives a genuine 18-carat rose-gold and steel Tank Solo supported by a workshop capable of looking after it over time. The 2018 Cartier Tank Solo 2742-W1018855 ultimately captures what the Tank has achieved for more than a century: giving enormous importance to very few elements. Two rose-gold brancards, a silver dial, a handful of Roman numerals, two blue hands and a brown crocodile strap are enough. A watch whose modernity comes precisely from the fact that it has never needed to change its language in order to remain perfectly understood.