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Representative illustration: light dial, gold-tone case and brown leather strap. Actual Omega Constellation Automatic Chronometer Diamond Ladies Watch 123.50.27.20.55.001 may differ.
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Omega

Omega Constellation Automatic Chronometer Diamond Ladies Watch 123.50.27.20.55.001

Model: 123.50.27.20.55.001

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Description

Omega 123.50.27.20.55.001 details

18kt rose gold case with a brushed 18kt rose gold bracelet. Fixed 18kt rose gold bezel. Mother of pearl dial with gold-tone hands and diamond hour markers. Dial Type: Analog. Date display at the 3 o'clock position. Omega Calibre 8521 Automatic movement, based upon Omega 8520, containing 28 Jewels, bitting at 25200 vph, and has a power reserve of approximately 50 hours. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape, case size: 27 mm, case thickness: 9 mm. Band width: 18 mm. Push button folding clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, co-axial escapement, chronometer. Constellation Series. Dress watch style. Watch label: Swiss Made. Omega Constellation Automatic Chronometer Diamond Ladies Watch 123.50.27.20.55.001.

Specifications

Case material
18kt Rose Gold
Case thickness
9 mm
Band width
18 mm
Bracelet
18kt Rose Gold
Crystal
Scratch Resistant Sapphire
Clasp
Push Button Folding Clasp
Water resistance
100 meters / 330 feet
Dial
Mother of Pearl
Calendar
Date display at the 3 o'clock position
Functions
Date, Hour, Minute, Second, Co-Axial Escapement, Chronometer
Hands
Gold-tone
Case back
Transparent
Crown
Pull / Push
Bezel
Fixed
Movement
Omega Calibre 8521

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1 current offer
Jomashop$18,800.00

Out of stock

$18,800.00

Shipping not supplied · Checked 24 Oct 2026, 05:35 UTC

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Price history

Lowest observed$18,800.00
Observed price history for Omega Constellation Automatic Chronometer Diamond Ladies Watch 123.50.27.20.55.001 Step chart of 5 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. $20,000.00$19,500.00$19,000.00$18,500.00$18,000.00$17,500.00 Sep 13Sep 27Oct 10Oct 24 Jomashop: $18,800.00, 13 Sept 2026, 11:00 UTCJomashop: $18,800.00, 16 Sept 2026, 11:20 UTCJomashop: $18,800.00, 19 Sept 2026, 11:51 UTCJomashop: $18,800.00, 22 Sept 2026, 12:04 UTCJomashop: $18,800.00, 24 Oct 2026, 05:35 UTC Observation date Listed price (USD)
  • Jomashop$18,800.00 · 5 observations