Longines HydroConquest Hydroconquest Chronograph L688
Reference L3.696.4.03.6
About this watch
The Longines Hydroconquest Chronograph L688 is a stunning timepiece that combines elegance with functionality, perfect for both adventure and style. With its vibrant blue dial and stainless steel case, this watch exudes durability and luxury, like wearing a piece of the sea on your wrist. The clean and legible dial features Arabic numerals and proprietary hands, while the date function is conveniently positioned. The rotating bezel allows for easy tracking of elapsed time underwater, making it a standout feature for diving enthusiasts. With its robust performance, stunning aesthetics, and impressive water resistance, this watch checks all the boxes for both watch enthusiasts and casual wearers. Whether you're looking for a timepiece that tells time or a story, the Hydroconquest L688 offers incredible value for its price, delivering on performance, style, and durability.
Buy Now on Jomashop
This is an affiliate link
Key Features
- Stainless Steel Case
- Automatic Chronograph Movement (Longines Caliber L688.2)
- 300 Meters Water Resistance
- 41mm Diameter Stainless Steel Bracelet
- Rotating 0-60 Dive Bezel
- Sapphire Glass
- Blue Dial with Arabic Numerals and Proprietary Hands
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Chronograph L688
- Reference
- L3.696.4.03.6
- Movement
- l688-2
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph, Column wheel
- Case
- Stainless Steel 41mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] New Release, 1 week old, Longines Hydroconquest 39 mm](https://preview.redd.it/azs27iav29tg1.jpg?width=640&crop=smart&auto=webp&s=2d63891147bf6886a60c6bf18a5043c215bca88e)
New Release, 1 week old, Longines Hydroconquest 39 mm
A new release Longines Hydroconquest in a smaller 39mm diameter, purchased from an authorized dealer and still under warranty. It's been lightly worn for only a week.
- Condition: Perfect condition, 1 week old
- Case diameter: 39mm
- Lug to lug length: 48.1mm
- Thickness: 11.7mm
![[WTS] Longines Hydroconquest GMT 41mm](https://preview.redd.it/kx2si05scusg1.jpg?width=640&crop=smart&auto=webp&s=6f674e4340659513d22861adaa4e6f7e21f42f56)
Longines Hydroconquest GMT 41mm
Beautiful Longines Hydroconquest GMT with a 41mm case, included in the sale are extra links, warranty card, and original packaging.
- Condition: very good condition
- Water Resistance: not specified
- Warranty Years: 2
![[WTS] Longines Hydroconquest Green Dial Black Bezel](https://preview.redd.it/t5iimvsb3lsg1.jpg?width=640&crop=smart&auto=webp&s=0e0528c0c91782e685844db3df4e1ec370556a84)
Longines Hydroconquest Green Dial Black Bezel
- Condition: Perfect
- Year Of Purchase: August 2025
- Crown And Buckle Straps: 2 additional
- Shipping Info: US only
![[WTS] Longines Hydroconquest GMT - 41mm - Sunray Brown - Box and Papers - Excellent Condition](https://preview.redd.it/qivmazym0fsg1.jpg?width=640&crop=smart&auto=webp&s=4e49902d3641aa922643e2690a7207ece9b7d528)
Longines Hydroconquest GMT - 41mm - Sunray Brown - Box and Papers - Excellent Condition
The Longines Hydroconquest GMT features a 41mm stainless steel case, a true GMT movement, and a brown sunray dial with a brown ceramic bezel insert. It has a quick-adjust bracelet and a sapphire crystal with anti-reflective coating.
- Condition: Excellent, some minor hairline scratches on the bracelet
- Case size: 41mm
- Lug width: 21mm
- Thickness: 12.8mm
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