Vacheron Constantin Ref. 2099 – Onyx & Diamond Masterpiece in White Gold

Here we have one of the rarest — possibly unique — Vacheron Constantin pieces we have ever encountered. Crafted in 18k white gold, the sharply preserved 30 mm case is paired with an integrated basket-weave white gold bracelet, giving the watch extraordinary texture and presence.

The true highlight is the flawless deep black onyx dial, framed by a stunning diamond-set bezel (40 diamonds) — a configuration we have never seen before in this reference.

Powered by the ultra-thin Vacheron Constantin Cal. 1003, this near-NOS example blends haute horlogerie with high jewelry in a way only Vacheron can — bold, rare, and undeniably exceptional.

- wrist size in our picture is 18cm circumference -

DIAL:

• original never touched deep black onyx dial in flawless condition
• original hands, crown & diamond set bezel (40 diamonds)

BRACELET & CLASP:

• original Vacheron Constantin integrated 18k white gold bracelet fitting up to 18 cm wrist size (slightly adjustable around 1 cm at the clasp) / 2.4 mm thick
• original Vacheron Constantin 18k white gold clasp

CASE:

• excellent overall condition, showing no traces of use (near NOS)
• 3- body 18k white gold case with screw-down case back
• 30 mm (without crown) / 31 mm (lug-to-lug) / 18 mm (between lugs) / 4.5 mm thick
  
• year: 1970s
  
• reference: 2099
• total weight: 66 g

MOVEMENT:

• Vacheron Constantin Cal. 1003 - manual wound
• 20 jewels, 18000 A/h, 46 hours power reserve
• professionally serviced 02/2026
• +15 sec/d / 260°

BOX & PAPERS:

• GOLDAMMER certificate of authenticity & service documentation card
• GOLDAMMER box

GOLDAMMER REFERENCE: #1402