Longines Conquest Conquest Automatic 39

Reference L3.656.4.56.6

About this watch

The Longines Conquest Automatic 39 is an exceptional watch that combines elegance, versatility, and performance. Its sleek stainless steel case and black dial exude sophistication, while its robust build quality ensures durability. With a power reserve of 38 hours and a water resistance of up to 300 meters, this watch is perfect for both everyday wear and special occasions. The Longines caliber L633.5 movement provides accurate timekeeping, making it a reliable companion for any adventure. Whether you're attending a formal dinner or embarking on an outdoor expedition, the Conquest Automatic 39 is the ultimate accessory. Its affordable price point of $840 makes it an exceptional value in the world of automatic watches.
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Key Features

  • Longines caliber L633.5 movement
  • Sleek stainless steel case
  • Black dial with stick indexes and luminous hands
  • 38-hour power reserve
  • 300-meter water resistance
  • Ergonomic fit and lightweight design
  • Accurate timekeeping

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Automatic 39
Reference
L3.656.4.56.6
Movement
l633-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 39mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Conquest Quartz Blue Dial (L3.760.4.96.6)

Longines Conquest Quartz Blue Dial (L3.760.4.96.6)

This Longines Conquest Quartz Blue Dial is a steel watch with a blue dial, in excellent condition. It comes with its original paperwork, tags, and box.

  • Condition: mint condition
  • Shipping cost: $0 (seller pays shipping)
Posted at
May 25, 2026, 9:28 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
[WTS] (brand new) Longines HydroConquest 39mm - $1700 shipped

(brand new) Longines HydroConquest 39mm - $1700 shipped

Longines - HydroConquest · $1,700
This brand new Longines HydroConquest features a 39mm stainless steel case with black dial and ceramic bezel insert, along with a date display at the 3 o'clock position.

  • Condition: Unworn
  • Case material: stainless steel
  • Bracelet material: stainless steel
  • Water resistance: 300m
Posted at
May 21, 2026, 8:02 PM
Active