Based on 5 listings — treat as indicative
Every active listing we track, bucketed by asking price. The band you buy in tells you more than the average does.
5 active listings. Median asking price $1,692. The middle 50% ask between $1,460 and $1,728.
Counts here cover listings with a known price, so they can be lower than the active total above.
| Listing | Posted | Condition | Authenticity | Price ↑ | vs median | ||
|---|---|---|---|---|---|---|---|
 | Jomashop | 5/4/2026 | New | AuthenticatedJomashop 100% authentic guarantee | $915 | 46% below the median price | View on Jomashop |
 | Jomashop | 5/4/2026 | New | AuthenticatedJomashop 100% authentic guarantee | $1,460 | 14% below the median price | View on Jomashop |
 | Jomashop | 5/4/2026 | New | AuthenticatedJomashop 100% authentic guarantee | $1,692 | At the median price | View on Jomashop |
 | Jomashop | 5/9/2026 | New | AuthenticatedJomashop 100% authentic guarantee | $1,728 | 2% above the median price | View on Jomashop |
 | Jomashop | 5/4/2026 | New | AuthenticatedJomashop 100% authentic guarantee | $2,446 | 45% above the median price | View on Jomashop |
We currently track 5 listings for the Longines HydroConquest Automatic Black Dial L3.780.4.56.6, with prices ranging from $915 – $2,446, from Jomashop.
The Longines HydroConquest Automatic Black Dial Men's Watch L3.780.4.56.6 exemplifies the brand's commitment to precision and elegance in dive watches. Featuring a robust stainless steel case with a polished finish, this timepiece is designed for both style and durability. The striking black dial is adorned with luminous hour markers and hands, ensuring readability in low-light conditions. Equipped with a Swiss automatic movement, this watch offers exceptional accuracy and a power reserve of approximately 38 hours. The unidirectional rotating bezel, a hallmark of the HydroConquest collection, allows for precise timing underwater, making it ideal for divers and water sports enthusiasts. The watch is water-resistant up to 300 meters, providing peace of mind for aquatic adventures. The HydroConquest series, known for its sporty yet sophisticated aesthetic, positions this model as a versatile accessory suitable for both casual and formal occasions. With a comfortable stainless steel bracelet that features a secure deployment clasp, this watch runs true to size, ensuring a snug fit for various wrist sizes. The Longines HydroConquest L3.780.4.56.6 is a perfect blend of functionality and luxury, appealing to those who appreciate fine craftsmanship and timeless design.
The Longines HydroConquest Automatic Black Dial L3.780.4.56.6 is a pre-owned Longines watch available for purchase across multiple resale platforms. Shop 5 active listings with prices ranging from $915 – $2,446. Find this item on Jomashop. Listings are available in New condition, so you can choose the quality and price point that suits you. 5 listings are professionally authenticated, giving you added peace of mind when buying pre-owned.
Current market prices by condition and authenticity, based on active listings.
| Condition | Listings | Price range |
|---|---|---|
| New | 5 | $915 – $2,446avg $1,648 |
| Status | Listings | Price range |
|---|---|---|
| Authenticated / VerifiedListings with third-party authentication or platform verification | 5 | $915 – $2,446avg $1,648 |
| Marketplace | Listings | Total value |
|---|---|---|
| Jomashop | 5 | $8.2K |
| Total | 5 | $8.2K |
Listing counts in the condition and platform tables are filtered subsets (listings with a known condition or price). The “active listings” figure at the top of the page reflects all tracked active listings and may be higher.
