Longines Conquest Conquest Chronograph Quartz

Reference L3.660.4.56.3

About this watch

The Longines Conquest Chronograph Quartz is a timepiece that embodies the spirit of adventure and sophistication. Its stunning design, robust build, and precise movement make it stand out in a sea of options. The watch's black dial with mixed indexes and stick hands provides perfect readability, while its chronograph functionality allows for precise timing. With a water resistance rating of 300 meters, this watch is ready for anything from swimming to diving. The Longines caliber L541, a quartz chronograph movement based on the ETA Flatline 251.262, offers reliable timekeeping and accuracy. Wearing the Longines Conquest Chronograph Quartz is a delight, with its 41 mm diameter striking a balance between style and comfort. This watch checks all the boxes for those looking for a reliable daily driver or a stylish accessory for special occasions.
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Key Features

  • Quartz chronograph movement
  • 300m water resistance
  • Sapphire glass crystal
  • Stainless steel case
  • 41mm diameter
  • Chronograph functionality

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Chronograph Quartz
Reference
L3.660.4.56.3
Movement
l541
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest 42mm

Longines HydroConquest 42mm

Longines - L3.788.4.96.6 · $1,900
This listing is for a brand new Longines HydroConquest 42mm blue dial watch, featuring a ceramic bezel and quick micro adjust bracelet.

  • Condition: Brand New In Box (BNIB)
  • Diameter: 42mm
  • Material: ceramic and lacquered
Posted at
May 26, 2026, 3:35 PM
Active
[WTS] Longines "Conquest" Swiss-Made 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $425 (details/description in the comments)

Longines "Conquest" Swiss-Made 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $425 (details/description in the comments)

This vintage Longines Conquest watch features a unique design with a subtle grey and light brown dial, integrated steel sports watch case, and a high polish stick indeces. It houses the Swiss-made ETA 954.111 quartz movement and has a comfortable solid link bracelet.

Posted at
May 25, 2026, 11:00 PM
Active
[WTS] 1960 Longines Conquest Ref. 9020 w/ Cal. 290 – Original Black Dial - $699

1960 Longines Conquest Ref. 9020 w/ Cal. 290 – Original Black Dial - $699

Longines - 9020 · $699
A 1960 Longines Conquest Automatic ref. 9020 with an original black dial, powered by the in-house Caliber 290, is being offered for sale. The watch features a 35mm stainless steel case with long, sculpted lugs and a slim profile.

  • Condition: Excellent condition with minor aging and light hairlines on the case
  • Dial: Original black dial
  • Case diameter: 35mm
  • Lug width: 18mm
Posted at
May 25, 2026, 9:08 PM
Active
[WTS] Longines Hydroconquest 43mm -Like New

Longines Hydroconquest 43mm -Like New

Longines - L3.782.4.56.6 · $1,180
This Longines Hydroconquest is a 43mm watch with a black dial, purchased new in April and still in fantastic condition.

  • Condition: Like New
  • Case size: 43mm
  • Lug to lug length: 53
  • Thickness: 11.90mm
Posted at
May 25, 2026, 6:20 PM
Active
[WTS] Longines Hydroconquest 41mm - Black Dial

Longines Hydroconquest 41mm - Black Dial

A Longines Hydroconquest 41mm Automatic watch with a black dial, stainless steel case, and ceramic bezel.

  • Condition: Good condition, minor scratches/scuffs in sapphire and minimal wear marks on bracelet and clasp
  • Case size: 41mm diameter
  • Bezel material: stainless steel and ceramic
  • Bracelet type: original bracelet (and links)
Posted at
May 24, 2026, 3:31 PM
Active
[WTS] Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,750

Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,750

Longines - L3.783.4 · $1,750
The Longines Hydroconquest Chronograph 41 is a high-performance Swiss diver's watch featuring a blue ceramic bezel and screw-down crown, powered by the L688.2 column-wheel chronograph movement with a 54-hour power reserve.

  • Condition: Very good with minor usage marks
  • Movement: Longines L688.2, automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
  • Case size: 41mm diameter
  • Thickness: 15.6mm
Posted at
May 24, 2026, 12:47 PM
Active
[WTS] Longines Hydroconquest 43mm

Longines Hydroconquest 43mm

Longines - L3.782.4.56.6 · $1,240
The watch is a Longines Hydroconquest model L3.782.4.56.6 with a black dial and a 43mm case size.

  • Condition: Brand new with minor use (about a month)
  • Case size: 43mm diameter
  • Lug to lug length: 53mm
  • Thickness: 11.90mm
Posted at
May 22, 2026, 4:14 PM
Active
[WTS] Longines Conquest Chronograph 42mm – Blue Ceramic Bezel – Ref. L3.835.4.98 – Full Kit

Longines Conquest Chronograph 42mm – Blue Ceramic Bezel – Ref. L3.835.4.98 – Full Kit

Longines - L3.835.4.98 · $2,425
This Longines Conquest Chronograph is a 42mm watch featuring a blue ceramic bezel.

  • Condition: Excellent condition
  • Box and papers: full kit
  • Warranty period: through 2029
Posted at
May 22, 2026, 2:22 PM
Active
[WTS] Longines Conquest L3.835.4.72.6

Longines Conquest L3.835.4.72.6

Longines - L3.835.4.72.6 · $2,175
A Longines Conquest with a panda dial, in excellent condition, complete set included.

  • Condition: Excellent condition with almost no signs of wear
  • Payment Methods: Crypto with small fee, cash, credit/debit card
  • Local Meeting Available: Yes
  • Trade Preferences: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
May 22, 2026, 11:47 AM
Active