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Cartier · Reference WB509731

Cartier Baignoire 1920 Diamond 18kt White Gold Ladies Watch WB509731

Representative illustration: black dial and green fabric strap. Actual Cartier Baignoire 1920 Diamond 18kt White Gold Ladies Watch WB509731 may differ.
Illustration only

Illustration only · Product photograph unavailable

18kt White Gold6.38 mmBurgundy FabricScratch Resistant SapphireFold-under Deployment

Actual product photo unavailable. This illustration roughly matches the listed appearance; details may differ.

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Prices are compared only within the same currency and destination market; the lead group is USD for US. Other currency or market offers remain visible separately.

Jomashop1 listing · USD · US$21,120.00
Lowest USD price · US market

Out of stock · Destination terms vary

$21,120.00

Shipping not supplied · Observed 20 Sept 2026, 01:08 UTC

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Observed, never invented

Price history

Dots mark validated retailer prices for the USD · US market group. Lines carry each listing's last observed price forward, starting at its first observation.

Lowest observed$21,120.00
Observed price history for Cartier Baignoire 1920 Diamond 18kt White Gold Ladies Watch WB509731 Step chart of 3 validated retailer price observations. Each listing's last observed price is carried forward from its first observation to the chart's end. Dots mark actual observations. The horizontal axis is observation date and the vertical axis is listed price in USD. $22,500.00$22,000.00$21,500.00$21,000.00$20,500.00$20,000.00$19,500.00 Sep 13Sep 15Sep 17Sep 20 Jomashop: $21,120.00, 13 Sept 2026, 21:03 UTCJomashop: $21,120.00, 16 Sept 2026, 21:34 UTCJomashop: $21,120.00, 20 Sept 2026, 01:08 UTC Observation date Listed price (USD)
  • Jomashop$21,120.00 · 3 observations

Technical & Horological Attributes

Case material
18kt White Gold
Case thickness
6.38 mm
Bracelet
Burgundy Fabric
Crystal
Scratch Resistant Sapphire
Clasp
Fold-under Deployment
Water resistance
30 meters / 100 feet
Dial
Silver
Functions
Hour, Minute
Hands
Sword-shaped
Bezel
Fixed
Movement
Cartier Calibre 057

The WatchCurrent standard

Exact reference. Clear provenance.

18kt white gold case. Fabric strap. Bezel set with round-cut diamonds. Silver grained dial. 18kt white gold circular-grained crown decorated with a diamond. Scratch resistant sapphire crystal. 18kt white gold adjustable deployment clasp. Quartz movement. Water resistant at 30 meters (100 feet). Cartier Baignoire 1920 Diamond 18kt White Gold Ladies Watch WB509731

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