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A Longines HydroConquest watch featuring a black dial, gold accents, black bezel, date at 3 o’clock, and a black textured strap is displayed on a white background.
The Longines HydroConquest diving watch features a black dial, gold bezel, black rubber strap, and white markers, shown at an angle against a white background.
Close-up of the back of the Longines HydroConquest, highlighting engraved branding, reference numbers, and its gold-colored crown and bezel.
Side view of the Longines HydroConquest, featuring a black textured band, silver case, gold crown, and gold ridged bezel with 30 visible—an elegant divers watch blending style and precision.
The Longines HydroConquest automatic wristwatch showcases a black dial, gold bezel and crown, black rubber strap, and a date display at 3 o’clock.
A close-up shows a Longines HydroConquest stainless steel clasp engraved with the brands logo, attached to a textured black strap.
Wearing a Longines HydroConquest watch with black strap and dial, paired with a beige sweater and black jacket.
A Longines HydroConquest watch featuring a black dial, gold accents, black bezel, date at 3 o’clock, and a black textured strap is displayed on a white background.
The Longines HydroConquest diving watch features a black dial, gold bezel, black rubber strap, and white markers, shown at an angle against a white background.
Close-up of the back of the Longines HydroConquest, highlighting engraved branding, reference numbers, and its gold-colored crown and bezel.
Side view of the Longines HydroConquest, featuring a black textured band, silver case, gold crown, and gold ridged bezel with 30 visible—an elegant divers watch blending style and precision.
The Longines HydroConquest automatic wristwatch showcases a black dial, gold bezel and crown, black rubber strap, and a date display at 3 o’clock.
A close-up shows a Longines HydroConquest stainless steel clasp engraved with the brands logo, attached to a textured black strap.
Wearing a Longines HydroConquest watch with black strap and dial, paired with a beige sweater and black jacket.
A Longines HydroConquest watch featuring a black dial, gold accents, black bezel, date at 3 o’clock, and a black textured strap is displayed on a white background.
The Longines HydroConquest diving watch features a black dial, gold bezel, black rubber strap, and white markers, shown at an angle against a white background.
Close-up of the back of the Longines HydroConquest, highlighting engraved branding, reference numbers, and its gold-colored crown and bezel.
Side view of the Longines HydroConquest, featuring a black textured band, silver case, gold crown, and gold ridged bezel with 30 visible—an elegant divers watch blending style and precision.
The Longines HydroConquest automatic wristwatch showcases a black dial, gold bezel and crown, black rubber strap, and a date display at 3 o’clock.
A close-up shows a Longines HydroConquest stainless steel clasp engraved with the brands logo, attached to a textured black strap.
Wearing a Longines HydroConquest watch with black strap and dial, paired with a beige sweater and black jacket.
Longines

HydroConquest

L37813569 41 mm
View Specs
Regular price $2,350
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    Renowned for expertise in luxury watch retail, Watches of Switzerland embodies the highest standards of craftsmanship and service. With a history dating back to the 1700s, the company offers a curated selection of premier timepieces and commits to excellence in customer experience grounded in a legacy of trust and industry proficiency.

    Authorized Luxury Retailer

    Authorized Luxury Retailer

    We are an authorized retailer for over 80 luxury watch brands.
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    Free Expedited Delivery on Orders $300 and Up (Estimated 1-3 Days)

    Our secure shipping service operates Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For security reasons, an adult signature is required for for orders over $300 USD. Watches of Switzerland does not deliver to P.O. boxes or third-party forwarding services. For more information about delivery, click here. Tracking information will be made available upon shipping.

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    $15 Flat Fee on Orders Under $300 (Estimated 1 - 2 weeks)

    Monday through Friday, from 8:00 a.m. to 6:00 p.m. For more information about delivery, click here. Tracking information will be made available upon shipping.

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    Free Expedited Delivery

    We offer free, expedited delivery on all orders over $300.
    Easy Returns
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    Our commitment to you does not end at delivery. We offer the following return services to make your experience as pleasant as possible.

    10-Day Returns For Timepieces:

    Timepieces purchased online can be returned or exchanged within 10 days from when they are shipped or collected.

    30-Day Returns For All Other Purchases:

    All other online purchases can be returned or exchanged within 30 days from when they are shipped or collected.

    On presentation of the original receipt, your purchases may be returned or exchanged at any of our store locations. Alternatively, you may elect shipping to our facility with all the original paperwork. All refunds must be credited to the same tender used for the original purchase. To return the online purchases through secure shipping service, please contact our client service team who will provide you the shipping label, free of cost*.

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    Refunds/exchanges only in the country of purchase.

    Please refer to our Return Policy for details on eligible items, return timeframes, and conditions.

    Easy Returns

    Easy Returns

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    Longines HydroConquest - (Ref. L37813569) Product Details

    Developed for divers and water sport professionals Powered by the L888 caliber movement 41mm stainless steel case secured with ablack, textured rubber strap Water resistant up to 30 bar (300 meters) 72 hours of power reserve

    DESIGNED FOR DIVERS

    Originally launched in 2007, the HydroConquest collection embodies Longines’ tradition of fusing elegance and performance. Part of the brand’scontemporary sport collection, this stylish chronograph presents the aesthetic features and functionality of a classic diving watch, reinforcing Longines’ reputation for creating timepieces for extreme sports.

    UNBEATABLE PERFORMANCE

    This 41mm timepiece pairs astainless steel case, with a rotating, ceramic bezel and a black, textured rubber strap. Capable of reaching depths of 30 bar (300meters), this exceptional watch is driven by the L888 caliber movement, with a 72-hour power reserve for uninterrupted performance. The sunray black dial features applied numerals and indexes, gilt hands, and a date display at 3 o’clock. Further reference to the brand’s diving heritage is offered by the double safety folding clasp and Super-LumiNova detailing for enhanced visibility.

    General

    Condition

    New

    Brand

    Longines

    Reference

    L37813569

    Year

    SPRING/SUMMER 2021

    Family

    Hydro Conquest

    Product Code

    17350917

    Power Reserve

    72 Hours Approx

    Watch Display

    Analogue

    Water Resistance

    300 Metres

    Features

    Date display
    Deployment clasp
    Automatic movement
    Waterproof

    Case

    Case Size

    41 mm

    Case Depth

    12 mm

    Case Shape

    Round

    Case Material

    Steel & PVD Yellow Gold

    Bezel Material

    Ceramic

    Bezel Color

    Black

    Crystal

    Sapphire

    Dial

    Dial Color

    Black

    Dial Texture

    Sunbeam

    Dial Markers

    Dots and Arabic

    Stone Set

    No

    Movement

    Type

    Auto

    Bracelet

    In-house Movement

    Yes

    Type

    Strap

    Bracelet Material

    Rubber

    Stone Set

    No

    Buckle/Clasp

    Deployment