Longines HydroConquest
Ref. L3.769.4.06.6 · Diver
$1,600Stock unknown
Case
- Diameter
- 42mm
- Material
- Stainless Steel
- Finish
- Brushed and polished
- Water resistance
- 300m
- Caseback
- Solid
Crystal & dial
- Crystal
- Sapphire
- Dial colour
- Green
- Texture
- Sandblasted
- Indices
- Applied
- Lume
- Super-LumiNova
Movement
- Type
- Quartz
- Complications
- Date
Design language
- Case shape
- round
- Dial style
- matte
- Bezel
- rotating
- Bracelet
- lug-attached
- Hands
- baton
AI-detected from the product image
HydroConquest collection · 15 watches
2 more in this collection
3 colorways
The market
Market prices.
Retail$1,600
The forum market
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Closed · 90d1Asking-price history
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Retail stock & market context
Longines on the secondhand market
+8.5%
2026 so far · +3.2% to +16.0% · 44 matched watches
In line with the index
Divers as a group: +6.5% · 302 matched watches
Year-by-year readings →The connection engine
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The community take
Owners talk.
Owners widely praise the Longines HydroConquest for its refined finishing comparable to watches at higher price points, vibrant ceramic bezel, and dial that pops in different light—especially the newer glossy lacquer options. The quartz movement runs reliably within COSC specs (averaging +2–4 seconds per day), and the 42mm case wears comfortably; the L888.5 quartz delivers lower cost of ownership than automatic alternatives. The mesh bracelet draws mixed views—some find it superior in fit and comfort, others note visible gaps and a cheap feel—and the screw-down crown is flagged as inconvenient to operate; lume is noted as faint by some owners. Overall, owners rate the HydroConquest highly for its polished finishing, strong aesthetics, and accessible luxury positioning at the sub-$3k price.
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