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
![[WTS] Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless](https://external-preview.redd.it/ShlNgP51p_yhYG-wehlS2eH7T9a9Ro_Hs61ykEYXaOE.jpg?auto=webp&s=9a84ec950f80c0b57da96ba89c60c9a47ac92274)
Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless
This is a 41mm Longines Hydroconquest with a blue dial and blue ceramic bezel. It has not been worn extensively and comes with the original box and papers.
- Condition: Like new in box
- Diameter: 41mm
- Bezel material: blue ceramic
![[WTS] Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty](https://preview.redd.it/u8pqdjfojjvf1.jpg?width=640&crop=smart&auto=webp&s=e85b94b2efaa7655e7581195fddf3e0228d49d97)
Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty
A black dial Longines Hydroconquest Ceramic Bezel in 39mm size, bought new in October 2024.
- Condition: Great condition on the case, crystal, and dial. Minor scratches from daily wear are visible on the bracelet and buckle.
- Warranty Valid Until: October 2029
- Size: 39mm
![[WTS] Longines Hydroconquest 41](https://preview.redd.it/i5w1it029dvf1.jpg?width=640&crop=smart&auto=webp&s=a870460418734ae107dff571be0b34809b121cb3)
Longines Hydroconquest 41
The Longines Hydroconquest 41 features a black dial and green ceramic bezel, comes with full kit, box, papers, warranty, and original purchase receipt.
- Condition: essentially unworn
- Shipping: CONUS only
![[WTS] BNIB Longines HydroConquest](https://preview.redd.it/3j42kl60ycvf1.jpg?width=640&crop=smart&auto=webp&s=c664df9208171d8fa29e7803820f7a8c31d484dd)
BNIB Longines HydroConquest
The Longines HydroConquest is a stylish and functional dive watch designed for everyday wear. It features a stainless steel case with a sleek design and a water-resistant construction.
- Condition: Brand new in box (BNIB)

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