Longines Conquest Conquest Quartz 34 Stainless Steel / MOP

Reference L3.377.4.87.6

About this watch

The Longines Conquest L3.377.4.87.6 is a stunning timepiece that beautifully marries functionality with sophistication. This sporty yet elegant watch features a sleek Mother of Pearl (MOP) dial and robust stainless steel construction, making it perfect for both adventurers and those who appreciate fine craftsmanship. The 34mm diameter strikes a balance between being bold and understated, while the 17mm lug width ensures a comfortable fit on any wrist. Longines has chosen quality materials for this model, with a scratch-resistant sapphire glass that protects the watch from daily life. At the heart of the L3.377.4.87.6 is the reliable Longines Caliber L156 quartz movement, featuring hours, minutes, seconds, and a date display. This watch is designed to be functional without sacrificing style, with stick hands and gem-set indexes adding a touch of luxury. With its impressive water resistance rating of 300 meters, you can confidently wear it while swimming, snorkeling, or even diving. The stainless steel bracelet is adjustable, ensuring a perfect fit for any wrist. This watch is built to last and can be a timeless piece that you pass down through generations.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Longines Caliber L156 quartz movement
  • Sapphire glass with scratch-resistant coating
  • 300m water resistance rating

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Quartz 34 Stainless Steel / MOP
Reference
L3.377.4.87.6
Movement
l156
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 34mm
Dial Color
White
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest Blue 39mm - $1150

Longines Hydroconquest Blue 39mm - $1150

Longines - Hydroconquest · $1,150
A blue dial Longines Hydroconquest 39mm watch with a full kit, in excellent condition and keeping good time.

  • Condition: Great condition
  • Year purchased: 2025
  • Warranty duration: 5 years
Posted at
Mar 1, 2026, 8:14 PM
Active

Longines Conquest L37774580 – 41mm Automatic – Black Dial – New in Box – Full Kit – $625 Shipped

Longines - L37774580 · $625
The seller is listing a Longines Conquest L37774580, a 41mm automatic watch with a black dial. It comes in its original packaging and is a full kit.

  • Condition: New
  • Case size: 41mm
Posted at
Feb 27, 2026, 4:10 PM
Active
[WTS] Longines Hydroconquest 41mm Two Tone

Longines Hydroconquest 41mm Two Tone

A Longines Hydroconquest 41mm Two Tone watch with a black dial and two tone finish. It is in very good condition with some minor wear.

  • Condition: Very Good Pre Owned Condition
  • Diameter: 41mm
Posted at
Feb 27, 2026, 3:34 PM
Active
[WTS] Longines Conquest Vintage $599 Shipped (SERVICED)

Longines Conquest Vintage $599 Shipped (SERVICED)

Longines - 1577-1 · $599
A very rare Longines Conquest automatic watch with a stunning White satin finished sunburst dial and raised indexes. It has a solid build quality, creative design, and a classic look.

  • Condition: Great condition
  • Year: 1976
  • Case Size Diameter: 35.5mm (with crown)
  • Lug To Lug Size: 40.5mm
Posted at
Feb 23, 2026, 9:42 PM
Active
[WTS] 1980s Longines Conquest Alarm Quartz in Titanium | $330

1980s Longines Conquest Alarm Quartz in Titanium | $330

This 1980s Longines Conquest Alarm Quartz features a titanium case with gold-plated accents, an alarm function, and a quartz movement. It's a quirky piece that shows Longines' experimentation with technology during this era.

  • Condition: Good for its age with minor usage marks and wear on the bracelet.
  • Case Size: 33.2 x 37.1mm diameter
  • Movement: ETA 957.011 quartz with alarm and date
Posted at
Feb 23, 2026, 5:08 PM
Active
[WTS] Longines Conquest 38mm - L3.720.4.52.6

Longines Conquest 38mm - L3.720.4.52.6

Longines - L3.720.4.52.6 · $2,000
This Longines Conquest 38mm features a sunray black dial, is in excellent condition, and includes box and papers.

  • Condition: Excellent condition with light use
  • Size: 38mm diameter
  • Box and papers included: Yes
Posted at
Feb 23, 2026, 4:12 PM
Active
[WTS] 1958 Longines Conquest Calendar Ref. 9004-6 | Cal. 19ASD | $999 (Serviced & Shipped)

1958 Longines Conquest Calendar Ref. 9004-6 | Cal. 19ASD | $999 (Serviced & Shipped)

Longines - 9004-6 · $999
A 1958 stainless steel Longines Conquest Calendar in good condition, featuring a Cal. 19ASD automatic movement and a lightly worn leather strap.

  • Condition: Pre-owned, serviced
  • Case size: 35mm diameter
  • Lug-to-lug: 43mm
  • Thickness: 14.5mm
Posted at
Feb 21, 2026, 12:40 AM
Active
[WTS] Longines HydroConquest GMT 41mm L3.790.4

Longines HydroConquest GMT 41mm L3.790.4

Longines - L3.790.4 · $1,799
This Longines HydroConquest GMT is a 41mm watch featuring a 6.5 inch bracelet and an aftermarket rubber strap with deployant.

  • Bracelet Length: 6.5 inches
  • Case Size: 41mm
Posted at
Feb 19, 2026, 5:35 PM
Active
[WTS] Longines Conquest Rubber Strap L3.720.4.02.9 $1,699

Longines Conquest Rubber Strap L3.720.4.02.9 $1,699

Longines - L3.720.4.02.9 · $1,699
This Longines Conquest features a rubber strap in green and comes with all original boxes and papers.

  • Condition: Brand new
  • Warranty: 9/25 warranty card
Posted at
Feb 19, 2026, 3:47 PM
Active