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Representative illustration: black dial and green fabric strap. Actual Longines HydroConquest Automatic Black Dial Men's Watch L3.780.4.56.9 may differ.
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Longines

Longines HydroConquest Automatic Black Dial Men's Watch L3.780.4.56.9

Model: L3.780.4.56.9

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Description

Longines L3.780.4.56.9 details

Silver-tone stainless steel case with a black rubber strap. Uni-directional rotating black ceramic bezel. Black dial with silver-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Longines Calibre L888 Automatic movement, based upon ETA A31.L11, containing 21 Jewels, bitting at 25200 vph, and has a power reserve of approximately 64 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 39 mm. Fold over clasp with a safety release. Water resistant at 300 meters / 1000 feet. Functions: date, hour, minute, second. Additional Info: original box, international warranty card, manual (complete accessories). Hydroconquest Series. Luxury watch style. Watch label: Swiss Made. Longines HydroConquest Automatic Black Dial Men's Watch L3.780.4.56.9.

Specifications

Case diameter
39
Case material
Stainless Steel
Bracelet
Rubber
Crystal
Scratch Resistant Sapphire
Clasp
Fold Over with Safety Release
Water resistance
300 meters / 1000 feet
Dial
Black
Calendar
Date display at the 3 o'clock position
Functions
Date, Hour, Minute, Second
Hands
Silver-tone
Case back
Solid
Crown
Screw Down
Bezel color
Black
Bezel
Uni-directional Rotating
Movement
Longines Calibre L888

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1 current offer
Jomashop$1,250.00

Out of stock

$1,250.00

Shipping not supplied · Checked 26 Oct 2026, 07:59 UTC

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Price history

Lowest observed$1,250.00
Observed price history for Longines HydroConquest Automatic Black Dial Men's Watch L3.780.4.56.9 Step chart of 6 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. $1,340.00$1,320.00$1,300.00$1,280.00$1,260.00$1,240.00$1,220.00$1,200.00$1,180.00$1,160.00 Sep 13Sep 27Oct 12Oct 26 Jomashop: $1,250.00, 13 Sept 2026, 12:06 UTCJomashop: $1,250.00, 16 Sept 2026, 12:33 UTCJomashop: $1,250.00, 19 Sept 2026, 13:04 UTCJomashop: $1,250.00, 22 Sept 2026, 13:18 UTCJomashop: $1,250.00, 16 Oct 2026, 21:38 UTCJomashop: $1,250.00, 26 Oct 2026, 07:59 UTC Observation date Listed price (USD)
  • Jomashop$1,250.00 · 6 observations