Jaeger-LeCoultre Geomatic Chronomètre in 18K Solid Gold, Integrated Bracelet, Automatic, Vintage, 120.2 g

A rare survivor of Jaeger-LeCoultre's chronometer program: the Geomatic Chronomètre, here in 18K solid gold with a square tonneau case and a seldom-seen integrated gold bracelet, 120.2 g in all. Heavily worn and honestly aged, it is valued for rarity, architecture and gold mass rather than cosmetic perfection.

The Piece

Between the 1950s and the 1970s, Jaeger-LeCoultre pursued precision as a founding philosophy. The Geomatic Chronomètre series, a family of automatic watches regulated to chronometer standards, stands as one of the house's proudest technical achievements and the summit of its mid-century engineering.

This example presents a distinctive square tonneau case forged entirely in 18K gold, paired with a matching integrated bracelet, a configuration seldom seen in the JLC chronometer lineage. With a total weight of approximately 120.2 grams, it carries a commanding physical presence. The automatic movement displays the date and remains in functional operation.

The dial has acquired extensive patina and oxidation, shifting from its original metallic tone to a textured surface some collectors regard as emotionally honest; hands and indices, though aged, remain legible and structurally intact. For collectors of raw vintage character, or for a restorer seeking a historically significant JLC reference with exceptional gold mass, the watch offers both a compelling story and substantial material presence.

Details

• Maker: Jaeger-LeCoultre
• Model: Geomatic Chronomètre
• Era: Vintage
• Material: 18K gold (750) case and integrated bracelet
• Dial: Gold-tone / greyed with heavy aging
• Movement: Automatic; date display
• Case Shape: Square / tonneau
• Measurements: Weight approx. 120.2 g
• Included: None

Condition

Japonista grade C · Collector or restoration grade; wear and faults are described in full.

• Grade C (fair vintage): a high-value gold watch with extensive vintage wear and strong restoration potential. Running and functioning; no overhaul history available.
• Case: heavy wear, oxidation, scratches and visible discoloration; edges softened by age.
• Dial: significant aging, spotting, patina and discoloration; text visible but worn.
• Hands and markers: aged, oxidized and showing visible wear.
• Crystal: scratches and clouding present.
• Bracelet: 18K integrated bracelet with visible wear, potential stretching, discoloration and surface abrasions.
• The crystal, case sides and lugs all show marks, scratches and color variation consistent with many decades of active wear.

The Watchmaker's Watchmaker

Long known as the watchmaker's watchmaker, Jaeger-LeCoultre is celebrated for technical mastery, movement innovation and design experimentation. The Geomatic Chronomètre line reflects the house's ambition to produce chronometer-grade automatic movements to rival the finest Swiss competitors, and this gold-bracelet model represents a bold and uncommon chapter of its mid-century portfolio, where mechanical excellence met expressive case architecture.

Authenticity & Care

Jaeger-LeCoultre Geomatic Chronomètre with 18K (750) gold case and integrated bracelet; offered without box or papers. Every piece is examined and documented in Japan before dispatch and is offered with the Japonista authenticity guarantee.

Delivery from Japan

Packed by hand in Japan and shipped insured and tracked by EMS or an equivalent express service. Import duties and taxes, where applicable, are payable on arrival. Returns follow our published policy.

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