Longines Conquest Conquest Quartz 25 Diamond

Reference L3.158.0.87.6

About this watch

The Longines Conquest Quartz 25 Diamond stands out as a perfect blend of elegance and functionality, featuring an exquisite mother-of-pearl dial, gem-set indexes, and robust quartz movement. This stunning timepiece combines style with precision, making it suitable for both formal and casual occasions. With its impressive water resistance of up to 300 meters and scratch-resistant sapphire glass, this watch is built to last. The stainless steel case and beautifully crafted bracelet provide a secure fit without unnecessary heft, weighing in at a lightweight design. Whether you’re looking to elevate your office style or add a touch of glamour to casual outfits, the Conquest Quartz 25 Diamond fits the bill. Its timeless design and luxurious details ensure that it will be cherished for years to come.
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Key Features

  • Longines Caliber L250 (ETA 956.112) Quartz Movement
  • 300 meters Water Resistance
  • Sapphire Glass
  • Stainless Steel Case
  • Gem-Set Indexes
  • Stick-style Hands
  • Mother-of-Pearl Dial

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Quartz 25 Diamond
Reference
L3.158.0.87.6
Movement
l250
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 25mm
Dial Color
White
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