Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin 4300V/120G-B102 watch

Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin 4300V/120G-B102

Vacheron Constantin Overseas · Ref. 4300V/120G-B102

About This Watch

The Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin is an extraordinary feat: a grand complication housed within a sporty, water-resistant luxury watch measuring just 8.1mm thick. The caliber 1120 QP/1 is an evolved version of the brand's legendary ultra-thin perpetual calendar movement, adapted for the more demanding Overseas environment with improved shock resistance. The 18k white gold case and integrated bracelet give it a cool, contemporary presence while the Maltese cross bezel maintains the Overseas identity. The blue lacquered dial arranges the perpetual calendar displays with remarkable legibility: day and month in twin apertures below 12 o'clock, date by central hand, moon phase at 6 o'clock, and leap year at 3 o'clock. Like all Overseas models, it comes with interchangeable straps, though the white gold bracelet will likely remain the strap of choice for most owners. This watch occupies a unique niche: no other luxury sports watch combines a perpetual calendar with such extreme thinness and Geneva Seal finishing. It is a statement piece for the collector who wants everything — complication, sportiness, elegance — in a single watch.

In-Depth Review

The Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin in 18k white gold, reference 4300V/120G-B102, is the cooler-toned sibling of the rose gold variant and, for many collectors, the more refined choice. White gold has a visual similarity to stainless steel but carries a density and luster that sets it apart on closer inspection, and it pairs particularly well with the deep blue dial that has become a signature of the modern Overseas collection. Inside sits the same remarkable Caliber 1120 QP/1, which packs a perpetual calendar, moon phase, and leap year indicator into a movement that is impossibly thin -- a triumph of micro-engineering that Vacheron Constantin has been perfecting for decades.

The 41.5mm case and its ultra-slim profile make this watch deceptively easy to wear for something housing such a complex complication. The Overseas interchangeable system allows the owner to swap between the white gold bracelet, a leather strap, and a rubber strap, which transforms the watch from a boardroom statement to a weekend companion in seconds. The anti-reflective sapphire crystal ensures the calendar indications remain crisp and readable, and the Maltese cross-inspired bezel design gives the watch an identity that is instantly recognizable among collectors.

At $196,000 MSRP and trading near $185,000 on the secondary market, the white gold version represents a modest discount compared to its rose gold counterpart, making it arguably the better value proposition within the lineup. Collectors deciding between the two metals should consider their wardrobe and preference for warm versus cool tones. Compared to the Patek Philippe 5740/1G Nautilus Perpetual Calendar in white gold, which trades at a massive premium well above retail, the Vacheron offers a more accessible entry into the ultra-thin perpetual calendar space from a fellow Holy Trinity manufacturer. This is a watch for the discerning buyer who values understated sophistication over overt statement-making.

Specifications

Movement

Movement TypeAutomatic
CaliberCaliber 1120 QP/1
Power Reserve40 hours
Frequency19,800 vph
Jewels36

Case

Case Diameter41.5mm
Case Thickness8.1mm
Case Material18k White Gold
CrystalSapphire with anti-reflective coating
BezelFixed, polished Maltese cross
Dial ColorBlue
Lug Width22mm
Lug-to-Lug49.0mm

Features

Water Resistance50m / 164ft
Bracelet/Strap18k white gold bracelet with interchangeable system
ClaspFolding clasp with comfort adjustment
Weight190g
Complications
Perpetual CalendarMoon PhaseLeap Year

Pricing

Retail (MSRP)
$196,000
Market Price
$185,000