Longines HydroConquest HydroConquest 47.5 Chronograph Quartz Stainless Steel / Black / Bracelet
Reference L3.843.4.56.6
About this watch
The Longines HydroConquest 47.5 Chronograph Quartz is an exceptional watch that encapsulates the essence of what a diving watch should be. With its robust design, precision movement, and versatile style, it caters to various lifestyles and preferences. The first time you lay eyes on the HydroConquest 47.5, you can’t help but be impressed by its bold presence. With a diameter of 47.5 mm, it commands attention on the wrist. The black dial pops against the stainless steel case, creating a striking contrast that’s both elegant and sporty. The watch features a chronograph function with remarkable accuracy—up to 1/100th of a second. Its quartz movement is a marvel of engineering, operating at a frequency of 32,768 Hz, ensuring unparalleled accuracy. With a water resistance of 300 meters, the HydroConquest is designed for serious diving and can withstand underwater pressures. The stainless steel construction provides a sleek look while withstanding scratches and impacts.
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Key Features
- 47.5mm diameter case
- Stainless steel construction with polished finish
- Black dial with stick and dot indexes for excellent legibility
- Rotating bezel marked from 0-60 for diving enthusiasts
- Quartz movement operating at 32,768 Hz frequency
- Chronograph function with accuracy up to 1/100th of a second
- Water resistance up to 300 meters
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- HydroConquest 47.5 Chronograph Quartz Stainless Steel / Black / Bracelet
- Reference
- L3.843.4.56.6
- Movement
- l440-2
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph, Rattrapante
- Case
- Stainless Steel 47.5mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines HydroConquest Blacked-Out USA Exclusive (Ref. L3.742.2.58.6)](https://preview.redd.it/tyuhi876379f1.jpeg?auto=webp&s=a011e0cc7bae4dbfc91b0cf07daf5c393adad98b)
![[WTS] Longines Hydroconquest, Black & Rose Gold, Rubber Strap](https://external-preview.redd.it/ZPbXftotR3fcRx4uKB5ZsYNtCCo75PcefDAKexgnPUM.jpeg?auto=webp&s=8a2e2b3a5c37fad17b3764be7c84e8ab7e3f9d93)
Longines Hydroconquest, Black & Rose Gold, Rubber Strap
The Longines Hydroconquest features a black rubber strap, uni-directional rotating ceramic bezel, and date display at the 3 o'clock position.
- Condition: Gently used, minor wear and tear
- Water Resistance Depth: 300m
- Case Size: 43mm
- Movement Jewels: 21
![[Wts] Longines Hydroconquest 39mm L3.780.3.78.6 Full set Mint £1000 shipped to UK](https://external-preview.redd.it/5jJWF52LhU3VcqBbg0GaIJ0tM2K3-g1s4RbHPPcydxU.jpeg?auto=webp&s=5561a50ae66a978e8adad87484d6bd3230338b4e)
Longines Hydroconquest 39mm L3.780.3.78.6 Full set Mint £1000 shipped to UK
A Longines Hydroconquest 39mm watch, reference L3.780.3.78.6, features a chronometer movement (l888.4) and is in excellent timekeeping condition.
- Condition: mint condition
- Movement: L888.4 chronometer version
- Warranty: almost 3 years remaining
- Shipping: fully insured special delivery

Pre-Owned Longines Hydroconquest GMT L3.890.4.56.6
Pre-owned Longines Hydroconquest GMT watch in 43mm stainless steel case with automatic movement, black dial, and 300m water resistance.
- Condition: 95% condition, faint marks on the sides and back of the case; 91% condition, slight marks on the links and clasp for the bracelet
- Case size: 43mm diameter
- Water resistance: 300m depth rating
- Material: Stainless Steel
![[WTS] Longines Hydroconquest L3.781.3.58.9, Rose Gold & Rubber Strap](https://external-preview.redd.it/sedHMjnUuvXnaLuh_m9cQhYhZl3crWETDnGNzUAc5Y8.jpeg?auto=webp&s=396c686013e60f636725d758dced3e56c6f019c5)
Longines Hydroconquest L3.781.3.58.9, Rose Gold & Rubber Strap
This Longines Hydroconquest features a silver-tone stainless steel case with a black rubber strap, uni-directional rotating black ceramic bezel, and a black dial with rose gold-tone hands and index hour markers.
- Condition: Gently used with minor wear and tear, polishable
- Case size: 43mm diameter
- Water resistance: 300m / 1000ft depth rating
- Movement: Longines Calibre L888 Automatic movement
![[WTS] Longines Hydroconquest GMT, Excellent Condition, Box and papers](https://external-preview.redd.it/Kzo8UWMgzALN780NYa3F84HmhbkBhgW-EWtPHE8JwFA.jpeg?auto=webp&s=cb3be154dd49e9ef824e140297a48ccd9f6855af)
Longines Hydroconquest GMT, Excellent Condition, Box and papers
This Longines Hydroconquest GMT features a stainless steel case with black dial and ceramic bezel, housed on a stainless-steel bracelet. It has a screw-down back and crown, with a unidirectional notched bezel in black ceramic.
- Condition: Excellent condition
- Case size: 41mm diameter
Longines Hydroconquest Automatic
The Longines Hydroconquest is a comfortable and reliable automatic watch. It features a 41mm case size with a blue aluminum bezel and dial.
- Condition: Pre-owned, has been worn
- Case Size: 41mm
- Bezel Fade: yes, but lines up properly
- Wrist Size Fit: 7 7/8 inch wrist

>>REDUCED<< LONGINES HYDROCONQUEST ALL CERAMIC L3.784.4
This Longines HydroConquest All Ceramic features a ceramic case and bezel, black ZrO2 dial, and is water resistant to 300m. The watch has a 43mm diameter and comes with a rubber strap and deployant clasp.
- Condition: MINT
- Case material: ceramic
- Diameter: 43mm
- Water resistance: 300m