Longines HydroConquest Hydroconquest Chronograph L688
Reference L3.696.4.59.6
About this watch
The Longines Hydroconquest Chronograph L688 stands out as a versatile and robust timepiece, showcasing the brand's commitment to creating stylish and functional watches. This impressive watch features a stunning black dial with mixed indexes, providing excellent legibility even in low-light conditions. The rotating bezel adds a sporty edge while maintaining durability. With an automatic chronograph movement driven by a column wheel mechanism, you can track elapsed time and dates with ease. Its comfort is key, designed for wearability with a sturdy yet comfortable stainless steel bracelet. This watch offers incredible value at around $1,960, blending functionality and style. The Longines Hydroconquest Chronograph L688 is a remarkable watch that makes a bold statement, perfect for both everyday wear and special occasions.
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Key Features
- Stunning black dial with mixed indexes
- Automatic chronograph movement with column wheel mechanism
- Rotating bezel with 0-60 dive markings
- Sapphire crystal glass for scratch resistance
- 300m water resistance for aquatic adventures
- Comfortable and adjustable stainless steel bracelet
- Prestigious brand heritage from Longines
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Chronograph L688
- Reference
- L3.696.4.59.6
- Movement
- l688-2
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph, Column wheel
- Case
- Stainless Steel 41mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines Hydroconquest 43mm - $950](https://preview.redd.it/m6h351h3rakf1.jpeg?auto=webp&s=dfc716611f308698339168c18739a540541089cb)
Longines Hydroconquest 43mm - $950
This Longines HydroConquest 43mm is in excellent working order and comes with a WatchMaxx full kit.
- Condition: Great condition
- Depth rating: 200m
![[WTS] Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped](https://preview.redd.it/mxbo2ro1uvjf1.jpg?width=640&crop=smart&auto=webp&s=3b99c94fd0d84eb7a8054e7ed6c085dbf2acccde)
Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped
a Longines HydroConquest Ref. L3.780.3, a Two-Tone Steel & Rose Gold PVD automatic diver watch with a 39mm case size.
- Case Material: steel and rose gold PVD
- Water Resistance: 39mm diameter
![[WTS] Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel](https://preview.redd.it/byuqh6i86vjf1.jpg?width=640&crop=smart&auto=webp&s=710b313c8aa5dbbc4ad604a45dc3c95d7dd925ab)
Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel
This Longines HydroConquest features a green ceramic bezel, automatic movement with date display, and a power reserve of up to 72 hours.
- Condition: Like new/never worn
- Case size: 41mm diameter
- Water resistance: 30 bar
- Crystal material: scratch-resistant sapphire crystal
![[WTS] For Sale – Longines HydroConquest Automatic (Ref. L3.649.4, Navy Dial) – €600 ONO Automatic 41mm with the navy blue dial.](https://preview.redd.it/2ly9oiu08djf1.jpg?width=640&crop=smart&auto=webp&s=94ce276e3e84139ce0c03f98ebb47c589b72f336)
![[WTS] Longines Hydroconquest Quartz 39mm - Very good condition - $500 shipped in US](https://preview.redd.it/ejmuo0hzn2jf1.jpg?width=640&crop=smart&auto=webp&s=503b2a27e4bbbd773cfd4a27b063e5c8c3c7def3)
![[WTS] Longines Hydroconquest GMT Black 41mm - Full set with extras $1850](https://preview.redd.it/pv3gnpd7agif1.jpg?width=640&crop=smart&auto=webp&s=69945eaad0d34b2f130def6d489e31cb18563521)
Longines Hydroconquest GMT Black 41mm - Full set with extras $1850
41mm Longines Hydroconquest GMT with full set of extras, including OEM rubber strap and two additional straps.
- Condition: Excellent
- Case size: 41mm
- Included extras: Longines black rubber strap, Longines style leather strap, orange cut-to-size strap

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