Longines HydroConquest 43mm
Ref. L3.784.4.56.9 · Diver
$4,700In stock
Case
- Diameter
- 43mm
- Material
- Stainless Steel
- Caseback
- Solid
Crystal & dial
- Crystal
- Sapphire
- Dial colour
- Matt black ceramic
- Indices
- Applied
Movement
- Type
- Automatic
- Complications
- Date
Design language
- Case shape
- round
- Dial style
- matte
- Bezel
- rotating
- Bracelet
- rubber
- Hands
- mercedes
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HydroConquest collection · 15 watches
2 more in this collection
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Retail$4,700
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Retail stock & market context
Longines on the secondhand market
+6.2%
2026 so far · +1.5% to +13.2% · 46 matched watches
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Divers as a group: +6.5% · 340 matched watches
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The community take
Owners talk.
Owners widely praise the Longines HydroConquest 43mm for its beautiful and flashy design, refined case proportions, and tactile bezel clicks, with many finding it a keeper and a significant upgrade. Some owners report near COSC accuracy, with one noting a loss of only 2 seconds per day. However, the bracelet is criticized for lacking micro-adjustment and taper, with some finding strap changes difficult and the crown guard uncomfortable. Opinions are split on the dial finish, with some finding it too busy or cheap-looking, while others appreciate the ceramic bezel's cleaner look. Overall, owners rate the Longines HydroConquest 43mm highly for its striking aesthetics and value, despite some noted comfort and finishing trade-offs on the bracelet and bezel.
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