Longines HydroConquest Hydroconquest 39 Quartz Black
Reference L3.647.4.56.6
About this watch
The Longines Hydroconquest 39 Quartz Black is a remarkable luxury watch that embodies elegance and functionality. With its rich history, commitment to innovation, and Swiss watchmaking excellence, this timepiece stands out in the crowded world of luxury watches. The striking black dial adorned with stick and dot indexes provides excellent readability, while the rotating bezel allows divers to easily track elapsed time underwater. Crafted from high-grade stainless steel, the 39 mm case exudes durability and luxury. At its heart lies the reliable Longines caliber L263 quartz movement, boasting 7 jewels and a power reserve of 26,280 seconds. With a water resistance rating of 300 meters, this watch is perfect for diving enthusiasts and those who enjoy water sports. Its robust design and scratch-resistant sapphire glass ensure it can withstand daily wear and tear. Whether you're a diving enthusiast or just looking for a stylish companion, the Hydroconquest 39 Quartz Black is definitely worth considering.
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Key Features
- Stainless Steel Case
- Quartz Movement (Longines Caliber L263)
- Rotating Dive Bezel (0-60 Scale)
- Sapphire Glass (Scratch Resistant)
- Water Resistance: 300 m
- 39.00 mm Diameter
- 19.00 mm Lug Width
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest 39 Quartz Black
- Reference
- L3.647.4.56.6
- Movement
- l263
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 39mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS]✨ For sale: Longines HydroConquest L3.841.4.56.6 (2019) – Full Set!](https://external-preview.redd.it/rpZQDqXUw4YUpDqd2QaDEBvqXl5mvrNjCOE0XHptyr0.jpeg?auto=webp&s=d824558413e28dd4ccb4230112a25111e709fea4)
✨ For sale: Longines HydroConquest L3.841.4.56.6 (2019) – Full Set!
The Longines HydroConquest L3.841.4.56.6 is an automatic watch with a 64-hour power reserve, featuring a 44mm stainless steel case and a black sunray dial.
- Condition: Excellent
- Case material: stainless steel
- Diameter: 44mm
- Water resistance: 300m
![[WTS] Longines Hydroconquest GMT - Green](https://external-preview.redd.it/grtECkbYfmwb1XXLQUCRkFOj-0-IGq2Pe_lJkbiOYpQ.jpeg?auto=webp&s=fd53a83ef0f9fbfece08af02acff9247f394e72b)
Longines Hydroconquest GMT - Green
The Longines Hydroconquest GMT is a stylish and functional watch featuring a GMT function, perfect for travelers or those who need to keep track of multiple time zones.
- Condition: great condition with a slight scratch on the case and some wear on the bracelet
- Warranty Valid Until: 02/23/2024
- Bracelet Condition: some wear from regular usage
![[WTS] Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit](https://external-preview.redd.it/IcqHK6Qv-92z09TPUn7SI-2qDEA4zpXoZh4TRuiHn5U.jpeg?auto=webp&s=f052eb8849d94e1a7dc9c51bd3d60adc5e043970)
Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit
The Longines HydroConquest 39 mm Black is a stainless steel automatic watch featuring a black sunray dial, applied indices, and date at 3 o'clock. It has a matte black ceramic unidirectional bezel and a sapphire crystal with AR coating.
- Condition: Very good, light desk-wear with minor hairline scratches
- Case Size: 39 mm stainless steel case
- Dial Color: Black
- Water Resistance: 300 m
![[WTS] Longines HydroConquest Black dial 41mm $1499](https://preview.redd.it/hik3o4vlhpze1.jpeg?auto=webp&s=c00c48993fb0e7fc6c6b204f74ecef5015651908)
Longines HydroConquest Black dial 41mm $1499
This Longines HydroConquest features a black dial and is powered by an automatic movement, housed in a stainless steel case with sapphire crystal and a stainless steel bracelet.
- Condition: Full working order
- Case diameter: 41mm
- Crystal material: Sapphire
![[WTS] Longines Hydroconquest 41mm w/ Box](https://external-preview.redd.it/73Z9dVKIknNRBKNZwlUtQxVnUD5Sy2Fyhcrj7P3Mvv4.jpg?auto=webp&s=8d4ba9726b612e58e3a2bd78bb12f0d1790d1921)
Longines Hydroconquest 41mm w/ Box
A Longines Hydroconquest watch in 41mm case size, excluding crown guards.
- Bracelet markings: noticeable
- Wrist size: 7 inches
![[WTS] Longines HydroConquest GMT 43mm Green – Full Kit - Excellent Condition](https://preview.redd.it/m9m1zs2jiuye1.jpg?width=640&crop=smart&auto=webp&s=3f34d9013d07ba3368c5d5bd03fc6b2dd0a4dbe9)
Longines HydroConquest GMT 43mm Green – Full Kit - Excellent Condition
The Longines HydroConquest GMT is a 43mm automatic diver-watch with a ceramic bezel, 300m water resistance, and a green sunburst dial.
- Condition: Excellent
- Case Size: 43mm diameter
- Movement: L844.5 (72hr power reserve, COSC certified)
- Water Resistance: 300m depth rating
![[WTS] Longines HydroConquest Blue - L3.780.4.96.6](https://preview.redd.it/85o2wsa2nmye1.jpg?width=640&crop=smart&auto=webp&s=b0f54abb335effed429c0de3cd2d649cc88dd8ba)
Longines HydroConquest Blue - L3.780.4.96.6
A Longines HydroConquest Blue watch with a retail price of $1850 is being sold for $1000.
![[WTS] Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit](https://preview.redd.it/rw6bzl6jmlye1.jpg?width=640&crop=smart&auto=webp&s=267f992be5000cc1e1442678f10e5954fa0fcf58)
Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit
The Longines HydroConquest 39 mm Black is a stainless steel automatic watch with a black sunray dial, applied indices, and date at 3 o'clock. It features a matte black ceramic bezel, sapphire crystal with AR coating, and a 300m water resistance.
- Condition: Very good, with light desk-wear and a few small hairline scratches
- Case Size: 39 mm diameter
- Water Resistance: 300 m depth rating
- Movement: Longines L888 automatic, up to 72 hr power reserve

Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.
This Longines HydroConquest is a steel diver's watch with an olive green matte dial and a unidirectional rotating ceramic bezel. The stainless steel case measures 41mm in diameter and has a water resistance of up to 300 meters.
- Condition: Excellent Condition
- Case Diameter: 41mm
- Thickness: 11.9mm
- Bezel Type: Unidirectional rotating Green Ceramic