Longines HydroConquest Hydroconquest Quartz 39 Black / Red
Reference L3.688.4.59.6
About this watch
Welcome to our comprehensive review of the Longines Hydroconquest Quartz 39 Black / Red, model L3.688.4.59.6! This timepiece embodies luxury, precision, and adventure. With a rich history dating back to 1832, Longines has crafted a name synonymous with elegance and functionality. The Hydroconquest family personifies this ethos, featuring a bold design, scratch-resistant sapphire crystal glass, and an impressive water resistance of 300 meters. This quartz movement watch is highly reliable, offering precision that mechanical movements can only aspire to achieve. With a power reserve of approximately 26,280 seconds, you can expect it to keep ticking for a long time without the need for frequent adjustments. The rotating bezel allows easy tracking of dive time, while the date function adds practicality to its impressive design. Whether you're a seasoned diver or a casual watch enthusiast, this timepiece deserves a place in your collection.
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Key Features
- Quartz movement with 26,280-second power reserve
- 300-meter water resistance for diving and swimming
- Scratch-resistant sapphire crystal glass for protection
- Rotating bezel for easy dive time tracking
- Date function for added practicality
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Quartz 39 Black / Red
- Reference
- L3.688.4.59.6
- Movement
- l263
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 39mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines Hydroconquest GMT 43mm Olive Dial Ref L3.890.4.06.6 Full Kit $1650 net to me FIRM](https://preview.redd.it/zb8ypwbxnfnf1.jpg?width=640&crop=smart&auto=webp&s=949d916966d79a434db27eec3e696d87f40e0e91)
Longines Hydroconquest GMT 43mm Olive Dial Ref L3.890.4.06.6 Full Kit $1650 net to me FIRM
A lightly used Longines Hydroconquest GMT with a striking sun ray olive dial and ceramic bezel, perfect for both toughness and style.
- Condition: Excellent, minor marks on clasp
- Case Size: 43mm
- Lug To Lug: 52mm
- Thickness: 12.9mm
![[WTS] Longines Hydroconquest 41mm LNIB](https://preview.redd.it/mv4smlzabdnf1.jpg?width=640&crop=smart&auto=webp&s=ec83e0665b6215452166eff7c336b8126ce813e9)
Longines Hydroconquest 41mm LNIB
41mm Longines Hydroconquest for sale in excellent condition, comes with a full set.
- Condition: Like New In Box (LNIB)
- Shipped: true
![[WTS] Longines HydroConquest Steel 44 Black Dial (Full-Set/Unpolished)](https://preview.redd.it/bz90sn24o6nf1.jpg?width=640&crop=smart&auto=webp&s=d4718ee51fbb57d800a5bfaa0c4b3ddf470c1f23)
Longines HydroConquest Steel 44 Black Dial (Full-Set/Unpolished)
A full steel diver's watch presented in outstanding condition, complete with its original box and papers.
- Condition: Full-set/unpolished, never polished, excellent condition
- Case size: 44mm diameter
- Bracelet size: 8.5” / 21cm
- Depth rating: no mention of depth rating
![[WTS] Longines Hydroconquest Green 41mm](https://preview.redd.it/37fg15dc4rmf1.jpeg?auto=webp&s=31501f3d89c222f0eb9442ed164c8ca10c6a910c)
Longines Hydroconquest Green 41mm
A 41mm Hydroconquest Green, a sporty yet elegant watch from Longines, featuring a rubber strap and a durable design.
- Condition: Pre-owned with scuffs on clasp and lugs
- Size: 41mm diameter
- Strap Size Fit: 7.25 inches and smaller
- Retail Price: 1775
![[WTS] Longines Hydroconquest GMT 43mm Olive Dial Ref L3.890.4.06.6 Full Kit $1700 net to me](https://preview.redd.it/22gwobxw86mf1.jpg?width=640&crop=smart&auto=webp&s=ed88cf9362ed2eb7562b0ab3fd0b02842c09921b)
Longines Hydroconquest GMT 43mm Olive Dial Ref L3.890.4.06.6 Full Kit $1700 net to me
The Longines Hydroconquest GMT is a serious dive watch with a striking sun ray olive dial and ceramic bezel, featuring a 43mm case, 300m water resistance, and L844 Caliber.
- Condition: Excellent with small marks on the clasp
- Case size: 43mm diameter
- Water resistance: 300m depth rating
- Thickness: 12.9mm

Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.
This Longines HydroConquest is a steel diver's watch with an olive green matte dial and a unidirectional rotating ceramic bezel. The stainless steel case measures 41mm in diameter and has a water resistance of up to 300 meters.
- Condition: Excellent Condition
- Case Diameter: 41mm
- Thickness: 11.9mm
- Bezel Type: Unidirectional rotating Green Ceramic