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5 Year Warranty
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LONGINES

LONGINES HydroConquest Automatic (42mm) Black Lacquered Dial / Stainless Steel Mesh Bracelet

L37884906
L3.788.4.90.6

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Product Description

Longines, established in 1832 in Saint-Imier, Switzerland, is renowned for its dedication to tradition, elegance, and performance in watchmaking. With a legacy of innovation, Longines has introduced pioneering features like the GMT function and flyback chronograph. The HydroConquest Automatic embodies this heritage, combining precision and style with its robust design, making it a testament to Longines' craftsmanship and enduring commitment to quality.

The LONGINES HydroConquest Automatic is a premium timepiece that exemplifies the brand's commitment to elegance and performance. Featuring a 42mm stainless steel case and a sleek black lacquered dial, this watch is designed for those who appreciate both style and functionality. The steel mesh bracelet adds a modern touch, ensuring a comfortable fit for any occasion.

Powered by the reliable L888 automatic mechanical movement, this watch offers a 72-hour power reserve, ensuring precision and reliability. The sapphire glass provides durability and scratch resistance, while the screw-down crown enhances its water resistance, making it suitable for diving up to 300 meters. With its luxurious design and robust features, the HydroConquest is a perfect blend of sophistication and practicality.

  • The LONGINES HydroConquest Automatic features a 42mm stainless steel case that offers a bold yet refined presence on the wrist.
  • Its black lacquered dial is complemented by baton hour markers, providing clear visibility and a sleek aesthetic.
  • The watch is equipped with a Swiss-made L888 automatic movement, ensuring precise timekeeping and a 72-hour power reserve.
  • A durable sapphire crystal protects the dial, offering scratch resistance and clarity.
  • Designed for versatility, the steel mesh bracelet provides both comfort and style, suitable for any setting.
  • With a water resistance of over 200 meters, this watch is ideal for diving and water sports enthusiasts.
  • The folding clasp ensures a secure fit, while the screw-down crown enhances its robustness.
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Product Specifications
Gift For / Occasion
Valentine's Day
Gender
Men's Watches
Movement & Power
Automatic Mechanical
Movement Calibre
L888
Movement Origin
Swiss Movement
Collections
Dive Watches, Luxury Watches
Mechanical Power Reserve
up to 72 hours
Type
Gift
Features
Glowing Hands, Glowing Markers, Rotating Bezel, Sapphire Glass, Date Display, Ceramic Bezel, Anti Magnetic
Strap Material
Steel Mesh
Case Material
Stainless Steel
Case Shape
Circle
Display Type
Analog
Dial Colour
Black
Strap Colour
Silver
Case Width
42 mm
Case Depth
11.7 mm
Lug to Lug
51.2 mm
Clasp Type
Folding Clasp
Crown Type
Screw Down
Strap Width
21 mm
Hour Markers
Batons
Water Resistance
More than 200m
Condition
New
Delivery & Returns
Free delivery is available on all UK orders -
For items listed as in stock, your order should be completed before 4:00pm (Monday-Friday) for us to despatch the same day or before 11:30am on Saturday for delivery Monday. Please note that all orders must pass our security policy before they are despatched and we must be able to take payment successfully, if this is not possible we will email or send an SMS with further instructions. For queries and delivery questions please feel free to call us on +441926 298499 (English only).
For other items, a delivery estimate will be shown where possible. If we feel we are unable to adhere to the timescale after you place your order we will contact you to make you aware and allow you to change your order if necessary. Items will be sent by your chosen delivery method once they are back in stock. For UK orders paid by card, Apple Pay or Google Pay we do not charge you until we are about to despatch your order; PayPal, Amazon Pay, Klarna, finance and international orders are charged when the order is placed.
Returns Policy

In addition to our 30 day returns policy, all items purchased from 1st October 2026 can now be returned until 15th January 2027, terms apply.

We aim for you to be absolutely delighted with your purchase and therefore offer you 30 days to change your mind on your purchase. You may do this by using the form provided with your order or otherwise. We will provide a refund of all payment received (not including delivery upgrades), usually within 2 working days of receiving your return (it may take a little longer during busy periods or for more complex returns). This will be made to the original payment method. For most payment methods it will take 3-5 working days for this to show on your statement.

Please ensure items from your order are suitable before wearing as we are unable to accept items which have been worn under our returns policy.

Returns are free on all UK orders. For orders under £500, you may generate a free tracked and insured returns label on the Royal Mail website (opens in a new window). You can print this label and send it back at any local Post Office at no cost to yourself. It is also possible to have the label printed at Post Office using the QR code from the confirmation email. Please retain the proof of postage receipt. Unfortunately we are unable to refund return postage for orders under £500 sent back by other methods, so we recommend printing the free postage label provided. For orders from £500 to £2,500, the Royal Mail label does not cover the value of the item, so please send it back by Royal Mail Special Delivery, insured for its full value, and we will reimburse the postage separately (please keep your proof of postage — full details are on your receipt), or contact us and we can arrange a collection. For orders over £2,500, please contact us and we will arrange the return for you. For international returns, you will need to bear the cost of returns postage. Please ensure the watch is returned to us in an unworn, new condition with all the original packaging (manufacturer's manual and guarantee if applicable). Please ensure items from your order are suitable before wearing as we are unable to accept items which have been worn under our returns policy. We reserve the right to make deductions for unnecessary damage caused to the product by yourself.

For UK orders we are also able to offer an exchange to a different product if required, please specify this when returning your product. For international orders, please return the item for a refund and place a new order for the product you would like.

If a fault develops with a watch that is outside of the 30 day returns period or is no longer in a new condition the watch can be returned to the manufacturer under the terms of the guarantee (we are an official UK dealer for all brands on our website) so that they can rectify any issues. For more information please see our returns policy page.

Reviews (1)
Authorised Retailer
First Class Watches HKG are LONGINES watch retail partners so you can be assured your sparkling new watch will arrive with a stamped manufacturer's warranty, packaging and instructions.
This item is supplied with:
  • Official LONGINES guarantee
    fully stamped (where appropriate)
  • Instruction manual
    Please note some brands use online manuals
  • Official Packaging
    Official LONGINES packaging
Please note: Outside of the UK, the duration of the manufacturer's guarantee may be different and therefore you may need to return your watch to First Class Watches in order to get the full guarantee.
1
Customer Reviews
5 / 5
Average Rating
5 star (Best) (1)
4 star (0)
3 star (0)
2 star (0)
1 star (Worst) (0)
5 Quality
5 Value
5 Ease of use
5 Style
5
Overall Rating
Excellent service and communication from start to finish

reviewed 01/04/2026

VERIFIED FIRST CLASS CUSTOMER
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