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Representative illustration: black chronograph dial and silver bracelet. Actual Omega Speedmaster Chronograph Automatic Men's Watch 3840.50.31 may differ.
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Omega

Omega Speedmaster Chronograph Automatic Men's Watch 3840.50.31

Model: 3840.50.31

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Description

Omega 3840.50.31 details

Silver-tone stainless steel case with a black leather strap. Tachymeter scale silver-tone stainless steel bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Omega Calibre 3600 Automatic movement, based upon ETA 7750, containing 28 Jewels, bitting at 28800 vph, and has a power reserve of approximately 42 hours. Scratch resistant sapphire crystal. Round case shape, case size: 43.3 mm, case thickness: 16.1 mm. Band width: 20 mm. Water resistant at 100 meters / 330 feet. Functions: chronograph, rattrapante, hour, minute, small second, chronometer. Speedmaster Series. Luxury watch style. Watch label: Swiss Made. Omega Speedmaster Chronograph Automatic Men's Watch 3840.50.31.

Specifications

Case diameter
43
Case material
Stainless Steel
Case thickness
16.1 mm
Band width
20 mm
Bracelet
Leather
Crystal
Scratch Resistant Sapphire
Water resistance
100 meters / 330 feet
Dial
Black
Functions
Chronograph, Rattrapante, Hour, Minute, Small Second, Chronometer
Hands
Silver-tone
Bezel color
Silver-tone
Bezel
Tachymeter Scale
Movement
Omega Calibre 3600

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Compare current offers

1 current offer
Jomashop$4,680.00

Out of stock

$4,680.00

Shipping not supplied · Checked 27 Oct 2026, 13:22 UTC

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Price history

Lowest observed$4,680.00
Observed price history for Omega Speedmaster Chronograph Automatic Men's Watch 3840.50.31 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. $5,000.00$4,900.00$4,800.00$4,700.00$4,600.00$4,500.00$4,400.00$4,300.00 Sep 13Sep 28Oct 13Oct 27 Jomashop: $4,680.00, 13 Sept 2026, 21:34 UTCJomashop: $4,680.00, 16 Sept 2026, 22:04 UTCJomashop: $4,680.00, 20 Sept 2026, 01:38 UTCJomashop: $4,680.00, 18 Oct 2026, 07:37 UTCJomashop: $4,680.00, 27 Oct 2026, 13:22 UTC Observation date Listed price (USD)
  • Jomashop$4,680.00 · 5 observations