Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Ceramic / Black / Bracelet
Reference L3.781.4.56.6
About this watch
When it comes to timepieces that combine functionality, style, and Swiss craftsmanship, the Longines HydroConquest 41 Automatic is a standout choice. Designed for those who appreciate both elegance and ruggedness, this watch is a perfect companion for diving enthusiasts and watch collectors alike. At the heart of the HydroConquest is the Longines caliber L888.2, an automatic movement that boasts impressive features: 300 meters water resistance, 65-hour power reserve, and 25,200 vibrations per hour. The HydroConquest's design is both striking and practical, with a diameter of 41.00 mm, stainless steel construction, and a rotating dive bezel with a 0-60 scale. Its black dial exudes sophistication, with mixed indexes and proprietary hands adding an element of uniqueness. Whether you're at a fancy dinner or exploring underwater, this watch maintains its elegance. The Longines HydroConquest 41 Automatic is perfect for a diverse audience, suitable for various occasions from casual outings to formal events.
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Key Features
- Automatic movement with 25,200 vibrations per hour
- 300 meters water resistance (30 ATM)
- 65-hour power reserve
- Stainless steel construction and closed case back
- Sapphire crystal glass for scratch-resistance
- Rotating dive bezel with a 0-60 scale
- Black dial with mixed indexes and proprietary hands
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- HydroConquest 41 Automatic Stainless Steel / Ceramic / Black / Bracelet
- Reference
- L3.781.4.56.6
- Movement
- l888-2
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 41mm
- 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