Longines Conquest Conquest 30 Stainless Steel / Green - Diamond / Bracelet

Reference L3.320.4.07.6

About this watch

The Longines Conquest 30 Stainless Steel / Green - Diamond / Bracelet is a masterpiece of horology, blending elegance with functionality in perfect harmony. Its stunning green sunburst dial, gem-set indexes, and sleek stainless steel case make it a standout piece that exudes luxury and sophistication. The Longines caliber L592.5 movement, certified as a chronometer, boasts a 40-hour power reserve and is renowned for its precision and durability. With a water resistance of up to 100 meters, this watch is perfect for swimming and snorkeling, making it an ideal choice for those who enjoy water activities while still wanting a touch of luxury on their wrist. The use of sapphire glass adds an extra layer of protection against scratches, ensuring that the watch face remains pristine even with daily wear.

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Key Features

30mm stainless steel case
Longines caliber L592.5 movement
40-hour power reserve
Water resistance up to 100 meters
Sapphire crystal glass
Gem-set indexes
Dauphine hands

Specifications

Brand

Longines

Family

Conquest

Model

Conquest 30 Stainless Steel / Green - Diamond / Bracelet

Reference

L3.320.4.07.6

Movement

l592-5

Movement Features

Hours, Minutes, Seconds
Date
Chronometer

Case

Stainless Steel 30mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

100

Current Listings

Longines Hydroconquest 39mm Blue Ceramic Bezel L3.779.4.90.6

Longines - L3.779.4.90.6 · $2,200

A Longines HydroConquest 39mm watch with a blue ceramic bezel, sold in great condition with original box and papers.

Condition: Overall great condition, aside from a small scuff on the clasp
Bracelet type: Mesh bracelet
Accuracy: +1 second per day

Posted at

Apr 20, 2026, 9:04 AM

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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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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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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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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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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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2026 Longines Hydroconquest 39mm - Grey Bezel / Black Dial

Longines - L3-779-4-70-6 · $2,100

This 2026 Longines Hydroconquest is a 39mm grey bezel/black dial watch, purchased directly from Longines and regularly worn. It's free of major scratches or dents but has minor wear on the back of one lug.

Condition: Excellent to LNIB (like new in box)
Bracelet length: up to an 8in wrist
Bent link pin: one link pin is bent and unusable
Included accessories: all original packaging, accessories, and paperwork

Posted at

Apr 16, 2026, 3:09 PM

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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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