Longines L37884906
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
New / Like New / Full Kit
$1,911 – $2,383
high confidence
Excellent / Pre-Owned
$1,606 – $2,003
high confidence
Used / Watch Only
$1,301 – $1,622
high confidence
Fair Market Value
$1,804
Blended estimate for excellent condition
Recent Comparable Listings
The Longines HydroConquest L3.788.4.90.6 is a 42mm diver's watch featuring a blue sunray dial, stainless steel case and bracelet, and a unidirectional rotating bezel with a blue ceramic insert. It is powered by the Longines L888 automatic movement with date complication and 72 hours of power reserve.
Specifications
Case Diameter 42 mm
Case Material stainless steel
Case Shape round
Case Back screw_down
Water Resistance 300m
Crystal sapphire
Bezel Type rotating_unidirectional
Bezel Material ceramic
Dial Color blue
Dial Indexes applied
Dial Hands stick
Bracelet/Strap oyster
Bracelet Material stainless steel
Clasp deployant
Complications date
More from HydroConquest
View all HydroConquest references →
Related Guides & Articles
Market Research
Best Secondhand Watch Deals Right Now
The best deals on pre-owned watches this month — undervalued models from Rolex, Omega, Tudor, Seiko, and more, with current market prices and why they're worth buying.
Mar 7, 2026
Buyer's GuidePre-Owned Longines: Buying Guide & Prices
How to buy a secondhand Longines — from the Spirit to the HydroConquest, with pre-owned prices and the best value picks in the collection.
Mar 4, 2026