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Longines
HydroConquest L3.784.4.56.9
Price range
$2,000 – $2,510
Too few priced listings for a median
2
active listings
—
tracked variants
Aug 2026
last refresh
Too few priced listings for a median
| Listing | Posted | Condition | Authenticity | Price ↑ | ||
|---|---|---|---|---|---|---|
 | Crown & Caliber | 3/15/2026 | Good | AuthenticatedCrown & Caliber CPO certification | $2,000 | View on Crown & Caliber |
 | Watchfinder | 7/25/2026 | Good | AuthenticatedWatchfinder manufacturer-certified inspection | $2,510 | View on Watchfinder |
We currently track 2 listings for the Longines HydroConquest L3.784.4.56.9, with prices ranging from $2,000 – $2,510 across platforms including Watchfinder and Crown & Caliber.
The Longines HydroConquest L3.784.4.56.9 epitomizes the brand's commitment to precision and elegance in the realm of luxury diving watches. This model features a robust stainless steel case, measuring 41mm in diameter, ensuring durability and a substantial presence on the wrist. The striking blue ceramic bezel not only enhances its aesthetic appeal but also provides exceptional scratch resistance, making it ideal for underwater adventures. Equipped with an automatic movement, the HydroConquest guarantees reliability and accuracy, vital for any diving enthusiast. The watch showcases a vibrant blue dial adorned with luminous hour markers and hands, ensuring optimal legibility in low-light conditions. Its unidirectional rotating bezel allows for precise timing, essential for divers. Part of Longines' esteemed HydroConquest collection, this timepiece blends functionality with sophisticated design, making it a versatile accessory for both aquatic activities and everyday wear. The watch is fitted with a stainless steel bracelet that features a folding clasp, providing comfort and security. Known for its durability and water resistance up to 300 meters, the HydroConquest is a trusted companion for those who appreciate both style and performance in their timepieces.
The Longines HydroConquest L3.784.4.56.9 is a pre-owned Longines watch available for purchase across multiple resale platforms. Shop 2 active listings with prices ranging from $2,000 – $2,510. Find this item on Watchfinder and Crown & Caliber. Listings are available in Good condition, so you can choose the quality and price point that suits you. 2 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 |
|---|---|---|
| Good | 2 | $2,000 – $2,510avg $2,255 |
| Status | Listings | Price range |
|---|---|---|
| Authenticated / VerifiedListings with third-party authentication or platform verification | 2 | $2,000 – $2,510avg $2,255 |
| Marketplace | Listings | Total value |
|---|---|---|
| Watchfinder & Co. | 1 | $2.5K |
| Crown & Caliber (Hodinkee) | 1 | $2.0K |
| Total | 2 | $4.5K |
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.
