18K Yellow Gold Cartier Tank Américaine Diamond Cocktail Watch
Watch (Jewelry/Horological Instrument) · Yellow Gold. The alloy likely contains copper and silver to achieve a deep, classic saturation consistent with 18K purity.
Purity: 18K / 750 (75% pure gold content). This is the luxury standard for fine jewelry and high-end horology, balancing rich color with structural durability.
Type
Watch (Jewelry/Horological Instrument)
Purity
18K / 750 (75% pure gold content). This is the luxury standard for fine jewelry and high-end horology, balancing rich color with structural durability.
Gold Type
Yellow Gold. The alloy likely contains copper and silver to achieve a deep, classic saturation consistent with 18K purity.
Weight
Estimated 45-65 grams (total weight including movement). The bracelet is composed of solid 18K links, contributing significantly to its intrinsic value.
Description
A stunning example of high-jewelry horology, this 18K yellow gold Cartier Tank Américaine features an elongated rectangular case generously set with brilliant-cut diamonds. The piece transitions seamlessly from a timepiece to a formal bracelet, utilizing a luxury articulated link system that catches the light from every angle. It represents the pinnacle of French jewelry design paired with precision watchmaking.
Key Features
Elongated curved case profile, diamond-set dial and links, blue cabochon-cut crown, and the signature 'Railway' minute track partially obscured by pavé work.
Color & Finish
Rich buttery yellow with a high-polished mirror finish on the outer links and a brushed/satin effect on the interior clasp components. Slight oxidation visible in recessed areas.
Hallmarks & Stamps
Visible '18K' or '750' stamp on the inner déployant clasp arm. European assay marks (likely a Helvetia or St. Bernard dog head if Swiss-made) would be located on the case back or lug interiors.
Dimensions Estimate
Case: approx. 19mm x 35mm (Small model); Bracelet width: 12-14mm; Length: Standard ladies 6.5-7 inches.
Gemstones & Inlays
Natural diamond pavé setting on the bezel, case sides, and partially on the dial and link connectors. Estimated G-H color, VS clarity. Blue sapphire or spinel cabochon crown, with blued-steel hands.
Clasp & Closure
Double-folding hidden déployant clasp (butterfly style). It features a push-fit security mechanism designed to maintain a seamless bracelet aesthetic.
Chain & Links
President-style three-piece articulated link construction. Solid 18K gold links with screw-pin or friction-pin assembly, offering high flexibility and a 'silk-like' drape on the wrist.
Craftsmanship Details
Precision-set pavé work with fine shared prongs. Die-struck bracelet links for density. Perfectly aligned case-to-bracelet transition showing superior tolerances in gold fabrication.
Authentication Indicators
Symmetry of diamond setting, crispness of the '750' stamp, weight-to-volume ratio characteristic of solid 18K gold, and the distinct blue hue of the hands. Note: Movement and serial numbers on case-back are required for final verification.
Origin & Maker
France/Switzerland; Cartier. Known as the 'Jeweler of Kings,' Cartier is synonymous with high-purity gold craftsmanship and iconic geometric design.
Era & Period
Contemporary iteration of an Art Deco design. The Tank Américaine was launched in 1989 as a reimagining of the 1921 Tank Cintrée.
Age Estimate
Likely produced in the late 1990s to mid-2000s based on the clasp configuration and the specific diamond-set link pattern seen in this reference.
Cultural Significance
A symbol of 'Old Money' elegance and Hollywood glamor, favored by style icons such as Jacqueline Kennedy Onassis and modern royalty for its refined, unisex heritage.
Condition Notes
Very Good. Minor surface micro-scratches on polished surfaces. Diamonds appear intact. No visible stretching in the gold bracelet links. Dial and hands show no signs of moisture ingress.
Value Estimate
Secondary market value: $15,000 - $22,000 USD. Retail replacement: $35,000+. Value is driven by the Cartier brand premium and diamond weight rather than simple gold melt value.
Care & Maintenance
Clean with a soft gold-polishing cloth. Avoid ultrasonic cleaners due to the pave settings. Remove during heavy activity. Professional movement servicing every 5-7 years.
Similar Items
Cartier Tank Française (bolder, more angular), Tank Louis Cartier (classic leather strap version), or Piaget Dancer watches in 18K gold.
Interesting Facts
The Tank design was famously inspired by the overhead view of a Renault FT-17 tank used during WWI. The Américaine variant specifically added more pronounced curves to hug the wrist.