Longines HydroConquest HydroConquest 39 Automatic Stainless Steel - Pink Gold / Grey / Rubber
Reference L3.780.3.78.9
About this watch
The Longines HydroConquest 39 Automatic Stainless Steel is a remarkable timepiece that beautifully merges style, functionality, and comfort. With its rich heritage, reliable movement, and stunning aesthetics, you’re not just buying a watch; you’re investing in a piece of art that tells time. The watch features a self-winding movement with a silicon balance spring, ensuring accuracy and reliability. Its impressive water resistance of 300 meters makes it designed specifically for underwater use. The rotating bezel allows for easy tracking of dive times, making it a practical choice for underwater enthusiasts. Longines has chosen high-quality materials for this watch, combining ceramic and stainless steel for durability and aesthetic appeal. The PVD gold coating provides a luxurious finish that is sure to turn heads. This watch is comfortable to wear all day long, thanks to its rubber strap designed for a snug fit while ensuring breathability.
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Key Features
- 39mm round case made from stainless steel with PVD gold coating
- Sapphire crystal glass for scratch resistance and clarity
- Chronometer certified automatic movement (Longines caliber L888.5)
- Water resistance of 300 meters
- Rotating bezel for easy tracking of dive times
- Rubber strap for comfort and breathability
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- HydroConquest 39 Automatic Stainless Steel - Pink Gold / Grey / Rubber
- Reference
- L3.780.3.78.9
- Movement
- l888-5
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer
- Case
- 39mm
- Dial Color
- Grey
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
21mm Longines HydroConquest bracelet
- Condition: Excellent
- Bracelet length: 21mm
- Days worn: 1
![[WTS] Longines HydroConquest bracelet 21mm](https://preview.redd.it/uv3bfq7rxk1f1.jpg?width=640&crop=smart&auto=webp&s=19645803964bbdb988aba453b23dfeadd84e1872)
Longines HydroConquest bracelet 21mm
A Longines HydroConquest watch with a bracelet, in excellent condition and barely worn.
- Condition: Excellent
- Bracelet size: 21mm
- Shipping costs: [object Object]
![Longines Hydroconquest 41 mm L3.7424.56.6 [WTS]](https://preview.redd.it/5w8gv222qe1f1.jpeg?auto=webp&s=a45786faa1dbb0e31124bfe23b01e5b9c65cbda3)
Longines Hydroconquest 41 mm L3.7424.56.6
A Longines Hydroconquest, a water-resistant watch designed for everyday wear.
- Condition: Excellent
- Wrist size suitability: 7 inch wrist
- Box included: true
- Purchase history: Bought from Watch Maxx
![[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

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