Longines Conquest Conquest 41 Automatic GMT

Reference L3.687.4.99.6

Longines Conquest 41 Automatic GMT

About this watch

The Longines Conquest L3.687.4.99.6 is a masterpiece of watchmaking, boasting a stunning blue dial that catches the light beautifully. This 41mm round case strikes a perfect balance between presence and comfort, fitting snugly on the wrist without feeling bulky. The mixed indexes on the dial provide a modern touch, while the stick hands offer clarity and elegance. A game-changer for travelers is the additional 24-hour hand, allowing you to keep track of two time zones effortlessly. At the core of this watch is the Longines caliber L704.2 movement, an automatic marvel with a 46-hour power reserve and frequency of 28,800 vibrations per hour. With 24 jewels, it ensures smooth and accurate timekeeping. The water resistance rating of 50 meters makes it ready to handle everyday splashes and rain showers. Perfect for frequent travelers, professionals, or watch enthusiasts who value quality and style, this piece is a timeless investment that combines aesthetics, functionality, and reliability.
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Key Features

  • 41mm round stainless steel case
  • Stunning blue dial with mixed indexes and stick hands
  • Automatic Longines caliber L704.2 movement with 46-hour power reserve
  • 24-hour hand for tracking second time zone
  • Sapphire glass for scratch-resistance
  • Water resistance rating of 50 meters
  • 20mm lug width with robust stainless steel bracelet

Specifications

Brand
Longines
Family
Conquest
Model
Conquest 41 Automatic GMT
Reference
L3.687.4.99.6
Movement
l704-2
Movement Features
  • Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable)
  • Date
Case
Stainless Steel 41mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] New Longines HydroConquest 42mm

New Longines HydroConquest 42mm

Longines - HydroConquest 42mm · $2,050
A new Longines HydroConquest in the 42mm size, with a mesh band and box and papers included.

  • Condition: New
  • Case Size: 42mm
  • Band Type: mesh
Posted at
Apr 23, 2026, 8:54 AM
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[WTS] Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,850

Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,850

Longines - L3.783.4 · $1,850
The Longines Hydroconquest Chronograph is a high-performance Swiss diver's watch that features a 41mm case, blue ceramic bezel, and screw-down crown. It houses the calibre L688.2, a column-wheel chronograph movement with a 54-hour power reserve.

  • Condition: Very good with minor usage marks
  • Case Size: 41 x 51mm stainless steel case with a thickness of 15.6mm and a lug width of 21mm
  • Movement: Longines L688.2, automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
  • Water Resistance: 300 (30 ATM)
Posted at
Apr 22, 2026, 3:35 PM
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[WTS] 2005 Longines Conquest Heritage L1.611.4 gilt dial with box and card!! Comes with genuine Longines band and buckle - $990 shipped!!

2005 Longines Conquest Heritage L1.611.4 gilt dial with box and card!! Comes with genuine Longines band and buckle - $990 shipped!!

Longines - L16114 · $990
This is a vintage Longines Conquest Heritage with a gilt dial and automatic winding movement. It features a stainless steel case, genuine leather strap, and comes with its original box and card.

  • Condition: 9/10
  • Movement: Cal. L633.5 automatic (ETA 2824-2 base)
  • Case size: 35mm
  • Condition details: Beautiful clean gilt glossy dial
Posted at
Apr 22, 2026, 10:58 AM
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[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $445 (message me if you can't see the details/description in the comments)

Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $445 (message me if you can't see the details/description in the comments)

Longines - 4384 · $445
This vintage Swiss-made Longines Conquest from late-1970s or early-1980s features a beautiful integrated steel sports watch design with a subtle grey and light brown dial. The high polish stick indices have a black line going through them and work well with the black dipped pencil hands.

  • Condition: Great condition considering it was made about 45 years ago
  • Case dimensions: 30.2mm x 37.8mm x 7.7mm
  • Bracelet length adjustability: Solid links with screw pins for easy and hassle-free changes
  • Wrist size range: up to roughly 18cm
Posted at
Apr 20, 2026, 11:06 PM
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[WTS] Longines HydroConquest GMT 41mm Black, Full Kit, June 2025

Longines HydroConquest GMT 41mm Black, Full Kit, June 2025

Longines - HydroConquest GMT · $1,980
Up for sale is my mint condition Longines HydroConquest GMT, a full kit with box, papers, tags, and over 4 years left on the factory warranty.

  • Condition: Mint condition
  • Case dimensions: 41mm diameter, 49mm lug to lug, 12.9mm thickness
  • Movement: L844.5 with 72hrs power reserve
  • Water resistance: 300m
Posted at
Apr 19, 2026, 10:47 PM
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[WTS] Longines Hydroconquest 39mm Black MINT

Longines Hydroconquest 39mm Black MINT

Longines - Hydroconquest 39mm Black · $2,200
A mint condition Longines Hydroconquest 39mm in black with a super comfortable bracelet and excellent bezel action.

  • Condition: MINT
  • Bracelet type: Super comfortable bracelet
  • Clasp type: Excellent on the fly clasp
  • Bezel action: Great bezel action
Posted at
Apr 19, 2026, 9:12 AM
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[WTS] Longines HyrdroConquest L3.742.4.56.6 Complete set + OEM Stainless Steel Bracelet

Longines HyrdroConquest L3.742.4.56.6 Complete set + OEM Stainless Steel Bracelet

Longines - L3.742.4.56.6 · $775
For sale is a Longines Hydroconquest, this watch comes with its complete set including an OEM stainless steel bracelet.

  • Condition: great condition with light wear on the bracelet and case
  • Bracelet type: stainless steel
  • Payment methods accepted: crypto, other payment methods (except PayPal)
  • Trade options: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Apr 17, 2026, 12:17 PM
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[WTS] Longines HydroConquest 39mm Green Ceramic Bezel 2026 NEW L3.779.4.06.6 – $2800 + shipping

Longines HydroConquest 39mm Green Ceramic Bezel 2026 NEW L3.779.4.06.6 – $2800 + shipping

Longines - L3.779.4.06.6 · $2,800
This Longines HydroConquest features a stunning green ceramic bezel and matching dial, with a 39mm size that wears well on the wrist.

  • Condition: Brand new
  • Case Size: 39mm diameter
  • Bezel Material: green ceramic
Posted at
Apr 17, 2026, 6:00 AM
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[WTS] Longines Conquest 38mm Automatic Sunray Black Men's Watch L3.720.4.52.6 - $1350 SHIPPED

Longines Conquest 38mm Automatic Sunray Black Men's Watch L3.720.4.52.6 - $1350 SHIPPED

Longines - L3.720.4.52.6 · $1,350
This beautiful Longines 38mm Conquest Sunray Black is a great everyday piece that can be dressed up or down, with a dial featuring a sunshine texture reminiscent of vintage Omega pie pan constellation watches.

  • Condition: Great condition, very little wear
  • Diameter: 38mm
Posted at
Apr 16, 2026, 7:15 PM
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