Longines HydroConquest Hydroconquest Chronograph L688
Reference L3.696.4.53.2
About this watch
The Longines HydroConquest L3.696.4.53.2 is a masterpiece of watchmaking, blending elegance and functionality in perfect harmony. This luxurious timepiece boasts an impressive automatic chronograph movement, caliber L688.2, with 54 hours of power reserve and a frequency of 28,800 vibrations per hour. The stainless steel case, measuring 41 mm in diameter, exudes durability and sophistication, while the sapphire crystal adds an extra layer of protection against scratches and wear. Water-resistant up to 300 meters, this watch is perfect for diving enthusiasts and everyday wearers alike. The black dial features Arabic numeral indexes and luminous hands, ensuring excellent readability both day and night. With its sporty yet sophisticated aesthetic, the HydroConquest series has become a favorite among those who value both style and substance. Whether you're timing a workout or cooking your favorite dish, the chronograph feature is both practical and user-friendly. This watch is not just a timekeeper; it's a ticket to a lifestyle, offering a premium experience that's perfect for any occasion.
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Key Features
- Automatic Chronograph Movement
- Stainless Steel Case with Sapphire Crystal
- Water-Resistant up to 300 meters
- Black Dial with Arabic Numerals and Luminous Hands
- 41mm Diameter, Suitable for Various Wrist Sizes
Specifications
- Brand
- Longines
- Family
- HydroConquest
- Model
- Hydroconquest Chronograph L688
- Reference
- L3.696.4.53.2
- 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
21mm Longines HydroConquest bracelet
- Condition: Excellent
- Bracelet length: 21mm
- Days worn: 1
![[WTS] Longines HydroConquest bracelet 21mm](https://preview.redd.it/uv3bfq7rxk1f1.jpg?width=640&crop=smart&auto=webp&s=19645803964bbdb988aba453b23dfeadd84e1872)
Longines HydroConquest bracelet 21mm
A Longines HydroConquest watch with a bracelet, in excellent condition and barely worn.
- Condition: Excellent
- Bracelet size: 21mm
- Shipping costs: [object Object]
![Longines Hydroconquest 41 mm L3.7424.56.6 [WTS]](https://preview.redd.it/5w8gv222qe1f1.jpeg?auto=webp&s=a45786faa1dbb0e31124bfe23b01e5b9c65cbda3)
Longines Hydroconquest 41 mm L3.7424.56.6
A Longines Hydroconquest, a water-resistant watch designed for everyday wear.
- Condition: Excellent
- Wrist size suitability: 7 inch wrist
- Box included: true
- Purchase history: Bought from Watch Maxx
![[WTS]✨ For sale: Longines HydroConquest L3.841.4.56.6 (2019) – Full Set!](https://external-preview.redd.it/rpZQDqXUw4YUpDqd2QaDEBvqXl5mvrNjCOE0XHptyr0.jpeg?auto=webp&s=d824558413e28dd4ccb4230112a25111e709fea4)
✨ For sale: Longines HydroConquest L3.841.4.56.6 (2019) – Full Set!
The Longines HydroConquest L3.841.4.56.6 is an automatic watch with a 64-hour power reserve, featuring a 44mm stainless steel case and a black sunray dial.
- Condition: Excellent
- Case material: stainless steel
- Diameter: 44mm
- Water resistance: 300m
![[WTS] Longines Hydroconquest GMT - Green](https://external-preview.redd.it/grtECkbYfmwb1XXLQUCRkFOj-0-IGq2Pe_lJkbiOYpQ.jpeg?auto=webp&s=fd53a83ef0f9fbfece08af02acff9247f394e72b)
Longines Hydroconquest GMT - Green
The Longines Hydroconquest GMT is a stylish and functional watch featuring a GMT function, perfect for travelers or those who need to keep track of multiple time zones.
- Condition: great condition with a slight scratch on the case and some wear on the bracelet
- Warranty Valid Until: 02/23/2024
- Bracelet Condition: some wear from regular usage
![[WTS] Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit](https://external-preview.redd.it/IcqHK6Qv-92z09TPUn7SI-2qDEA4zpXoZh4TRuiHn5U.jpeg?auto=webp&s=f052eb8849d94e1a7dc9c51bd3d60adc5e043970)
Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit
The Longines HydroConquest 39 mm Black is a stainless steel automatic watch featuring a black sunray dial, applied indices, and date at 3 o'clock. It has a matte black ceramic unidirectional bezel and a sapphire crystal with AR coating.
- Condition: Very good, light desk-wear with minor hairline scratches
- Case Size: 39 mm stainless steel case
- Dial Color: Black
- Water Resistance: 300 m
![[WTS] Longines HydroConquest Black dial 41mm $1499](https://preview.redd.it/hik3o4vlhpze1.jpeg?auto=webp&s=c00c48993fb0e7fc6c6b204f74ecef5015651908)
Longines HydroConquest Black dial 41mm $1499
This Longines HydroConquest features a black dial and is powered by an automatic movement, housed in a stainless steel case with sapphire crystal and a stainless steel bracelet.
- Condition: Full working order
- Case diameter: 41mm
- Crystal material: Sapphire
![[WTS] Longines Hydroconquest 41mm w/ Box](https://external-preview.redd.it/73Z9dVKIknNRBKNZwlUtQxVnUD5Sy2Fyhcrj7P3Mvv4.jpg?auto=webp&s=8d4ba9726b612e58e3a2bd78bb12f0d1790d1921)
Longines Hydroconquest 41mm w/ Box
A Longines Hydroconquest watch in 41mm case size, excluding crown guards.
- Bracelet markings: noticeable
- Wrist size: 7 inches

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