Longines Conquest Conquest Automatic 39

Reference L3.656.4.76.0

About this watch

The Longines Conquest Automatic 39 is a stunning representation of the brand's commitment to quality and style. With its classic design and robust features, it’s a watch that can seamlessly transition from a formal setting to casual outings. The 39mm diameter strikes a perfect balance—not too big, not too small—making it suitable for a variety of wrist sizes. Crafted from stainless steel, the Conquest Automatic 39 is built to last. The sapphire glass provides scratch resistance, ensuring that your watch remains pristine even with daily wear. At the core of the Longines Conquest Automatic 39 is the reliable Longines caliber L633.5. This automatic movement is based on the ETA 2824-2, a workhorse in the watch industry known for its precision and durability.

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Key Features

Longines caliber L633.5 automatic movement
Stainless steel construction with sapphire glass
300 meters water resistance
39mm diameter and 19mm lug width
White dial with mixed indexes and stick hands
Reliable and durable ETA 2824-2 base movement

Specifications

Brand

Longines

Family

Conquest

Model

Conquest Automatic 39

Reference

L3.656.4.76.0

Movement

l633-5

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 39mm

Dial Color

White

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines HydroConquest Sunray Blue- L3.790.4.96.6

Longines - L3.790.4.96.6 · $2,900

A brand new Longines HydroConquest with sunray blue dial, featuring a new box and papers.

Condition: Brand new
Box And Papers: brand new

Posted at

Apr 16, 2026, 12:11 PM

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[WTS] Longines HydroConquest GMT - Unworn, Full Set, Black Dial 41mm. The watch is in completely unworn condition and comes as a full set including box, papers, and all original accessories. Price:1700. UK-based. Happy to ship or meet depending on location. Dm if interested

Longines HydroConquest GMT - Unworn, Full Set, Black Dial 41mm. The watch is in completely unworn condition and comes as a full set including box, papers, and all original accessories. Price:1700. UK-based. Happy to ship or meet depending on location. Dm if interested

Longines - HydroConquest GMT · $1,700

The Longines HydroConquest GMT is a 41mm timepiece that comes as a full set including box, papers, and all original accessories. It is in completely unworn condition.

Condition: Unworn
Case Size: 41mm
Set: Full set including box, papers, and all original accessories

Posted at

Apr 16, 2026, 11:26 AM

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Longines Hydroconquest GMT 41mm Black (Nov 2024)- $2950 AUD (Sydney, Australia)

Longines - L3.826.4.53.2 · $2,950

a black Longines Hydroconquest GMT watch with a 41mm case size.

Material: Stainless Steel
Diameter: 41mm
Depth rating: 300m

Posted at

Apr 16, 2026, 9:54 AM

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Longines HydroConquest 41mm

Longines - L3.781.4.96.6 · $1,100

A Longines HydroConquest 41mm watch with a blue sunburst dial, featuring a clean crystal and flawless dial.

Condition: Excellent pre-owned condition
Diameter: 41mm

Posted at

Apr 15, 2026, 3:43 PM

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Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,900

Longines - L3.783.4 · $1,900

This Longines Hydroconquest Chronograph is a high-performance Swiss diver's watch featuring a blue ceramic bezel and screw-down crown, powered by the calibre L688.2 column-wheel chronograph movement with a 54-hour power reserve.

Condition: Very good with minor usage marks
Case Size: 41mm x 51mm stainless steel case, 15.6mm thickness, 21mm lug width
Movement: Longines L688.2 automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
Water Resistance: 300m (30 ATM)

Posted at

Apr 15, 2026, 11:30 AM

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Longines Conquest L3.835.4.72.6

Longines - L3.835.4.72.6 · $2,350

This Longines Conquest features a unique panda dial and is available for sale in excellent condition, almost entirely free of wear.

Condition: Excellent condition
Payment Methods: crypto, cash, etc (except PayPal)
Local Meeting: Yes, available to meet locally in southwest FL
Trades Accepted: Tudor, Cartier, Rolex, Omega, Breitling, AP only

Posted at

Apr 15, 2026, 10:21 AM

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Longines HydroConquest GMT Black. Ref: L3.790.4.56.6 (2025) Complete. $1,950

Longines - L3.790.4.56.6 · $1,950

This Longines HydroConquest GMT Black is a modern dive watch with excellent everyday wearability, offering both tool watch functionality and travel convenience.

Condition: Excellent pre-owned
Case size: 41mm diameter
Water resistance: 300m

Posted at

Apr 14, 2026, 9:45 PM

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Longines Conquest 38mm Automatic Sunray Black Men's Watch L3.720.4.52.6 - $1375 SHIPPED

Longines - L3.720.4.52.6 · $1,375

A beautiful Longines Conquest Sunray Black watch in 38mm diameter, available for everyday wear and can be dressed up or down.

Condition: Great condition, seldom worn
Original box and accessories included: true
Size: 38mm diameter

Posted at

Apr 13, 2026, 4:52 PM

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(Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB

Longines - Hydroconquest 42 · $2,200

This newly released Longines Hydroconquest is a large watch with exceptional fit and finish. It comes in its original packaging with a full kit and warranty.

Condition: LNIB (Like New In Box)
Case size: 42mm
Water resistance: not specified

Posted at

Apr 13, 2026, 2:48 PM

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