Longines HYDROCONQUEST GMT
Ref. L3.790.4.06.6 · Diver
$3,350Stock unknown
Case
- Diameter
- 41mm
- Thickness
- 12.9mm
- Lug-to-lug
- 49.4mm
- Lug width
- 21mm
- Material
- Stainless Steel
- Water resistance
- 300m
Crystal & dial
- Crystal
- Sapphire
- Dial colour
- Green
Movement
- Caliber
- L844.5
- Type
- Automatic
Design language
- Case shape
- round
- Dial style
- matte
- Bezel
- rotating
- Bracelet
- lug-attached
- Hands
- baton
AI-detected from the product image
HydroConquest GMT collection · 3 watches
3 colorways
The market
Market prices.
Retail$3,350
The forum market
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Active listings1Across watch forums
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: +6.6% · 300 matched watches
Year-by-year readings →The connection engine
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The community take
Owners talk.
Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.
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Popular comparisons.
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The discussion