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Longines HydroConquest


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Longines HydroConquest Steel 47.5mm Silver
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Longines Hydro Conquest Chronograph Automatik Edelstahl...
1 150
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Longines HydroConquest Steel 41mm Silver
Longines Hydro Conquest Chronograph Automatik Herrenuhr L3.673.4
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Longines HydroConquest Steel Silver No numerals Finland, HYVINKÄÄ
Longines HydroConquest
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Longines HydroConquest Steel 41mm Silver
Longines Hydro Conquest L3.673.4 Chronograph silver dial 2013
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Longines HydroConquest Steel 39mm Black
Longines 良品【LONGINES】ロンジン ハイドロ コンクエスト スポーツ デイト L3.641.4 自動巻き...
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Longines HydroConquest Steel 41mm Black
Longines Hydroconquest Stahl Fullset
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Longines HydroConquest Steel Black
Longines HydroConquest 41mm Automatic Steel 37813589
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Longines HydroConquest Steel 41mm Black Arabic numerals
Longines HydroConquest 41mm
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Longines HydroConquest Steel White No numerals
Longines hydroconquest
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Longines HydroConquest Steel 41mm Blue Arabic numerals
Longines Hydroconquest
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Longines HydroConquest Steel 41mm Blue No numerals
Longines Hydroconquest Chronograph Automatic 41mm Box & Papers
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Longines HydroConquest Steel 41mm Black Arabic numerals
Longines Hydroconquest - L37814569 - Black Dial 41mm - TOP
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Longines HydroConquest Steel 47.5mm Black Arabic numerals
Longines Hydroconquest L3.843.4.56.6
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Longines HydroConquest Steel 47mm Black
Longines 未使用品箱・保証書付き【LONGINES】ロンジン ハイドロ コンクエスト クロノグラフ L3.843.4...
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Longines HydroConquest Steel 41mm Blue Arabic numerals
Longines Ungetragene HydroConquest Gent Automatik 300M 41mm
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Longines HydroConquest Steel 43mm Blue Arabic numerals
Longines Hydroconquest Automatic Steel 43mm Blue Dial Ceramic...
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Longines HydroConquest Steel 43mm Black
Longines Hydroconquest 2021 B+P
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Longines HydroConquest Steel 41mm Black
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Longines HydroConquest
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Longines HydroConquest Steel 44mm Black
Longines Hydro Conquest stainless steel Black Dial on Bracelet...
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Longines HydroConquest Steel 41mm Black
Longines ハイドロ コンクエスト ブラックアウト リミテッドエディション メンズ
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Longines HydroConquest Steel 41mm Blue Arabic numerals
Longines Hydroconquest Automatic Blue - 43mm - L3.781.4.96.9
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Longines HydroConquest Steel 41mm Black Arabic numerals
Longines Hydroconquest
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Longines HydroConquest Steel 41mm Silver
Longines 保証書付き【LONGINES】ロンジン ハイドロ コンクエスト クロノグラフ L3.673.4 自動巻き...
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Longines HydroConquest Gold/Steel 41mm Grey Arabic numerals
Longines Ungetragene HydroConquest Gent Automatik 300M 41mm
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Longines HydroConquest Steel
Longines HydroConquest 43mm Automatic L3.782.4.96.9
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Longines HydroConquest Steel 41mm Black
Longines NEW Hydroconquest Quartz 2021 B+P
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Longines HydroConquest Steel 39mm Black No numerals
Longines HydroConquest
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Longines HydroConquest Steel 34mm Black
Longines HydroConquest L3.340.4.56.6
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Longines HydroConquest Steel 43mm Grey
Longines HydroConquest L3.782.4.76.9 - Grey Dial - Neu - 2021
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Longines HydroConquest Steel 40mm
Longines HydroConquest 40mm
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Longines HydroConquest: Elegant Diving Watches

The diving watches of the Longines HydroConquest collection offer fantastic value for money and look good with almost any outfit. Top models come in ceramic, while the automatic chronographs boast a column wheel.


A Diving Watch for Every Occasion

Longines has been producing the stainless steel watches of the HydroConquest collection since 2007. These timepieces have all three features of true diving watches: luminous hands and indices, a unidirectional bezel, and screw-down case back and crown. Furthermore, with a depth rating of 300 m (30 bar, 984 ft), the HydroConquest is robust enough for scuba diving. Each stainless steel bracelet and rubber strap also comes with a practical extension system so that the watch can fit over any wetsuit.

Fans of chronographs will also find automatic and quartz models with this beloved function in the HydroConquest collection. Thanks to their sporty and elegant design, these luxury watches pair as well with a suit and tie as they do with a t-shirt and jeans. They are also easy to slip under a shirt sleeve due to their flat cases. Longines gave this popular collection a facelift in 2018, adding models with ceramic bezels and redesigned dials.

A timepiece with an all-ceramic case followed in 2019. That same year saw the release of the collection's first 43 and 44-mm models. Longines also introduced the caliber L888 to the series' automatic three-hand watches. All of that said, Longines still produces an unaltered version of the original HydroConquest with an aluminum bezel and 39 or 41-mm case.

5 Reasons to Buy a Longines HydroConquest

  • Available in stainless steel or ceramic
  • Water-resistant to 300 m (30 bar, 984 ft)
  • Column-wheel chronographs
  • Two-tone models available
  • Outstanding value for money

How much does a HydroConquest cost?

Model/Reference number Price (approx.) Feature(s)
L3.784.4.56.9 2,900 USD Black ceramic case, rubber strap
L3.744.4.56.6 1,500 USD Chronograph, automatic caliber L688 with a column wheel
L3.781.4.56.6 1,200 USD Ceramic bezel, automatic caliber L888
L3.782.4.76.9 1,200 USD Ceramic bezel, gray dial, automatic caliber L888
L3.743.4.56.2 1,000 USD Chronograph, quartz caliber L440, rubber strap
L3.642.3.96.7 980 USD Two-tone, blue dial, automatic caliber L888
L3.841.4.56.6 920 USD Automatic caliber L888, 44-mm case
L3.742.4.56.6 920 USD Automatic caliber L888, 41-mm case
L3.642.4.56.6 870 USD Automatic caliber L888
L3.730.4.96.6 700 USD Quartz caliber L156 with an E.O.L. indicator, blue dial

Three-Hand HydroConquest Watches

Longines offers a wide range of three-hand watches of all different sizes in the HydroConquest collection. The 41-mm ref. L3.742.4.56.6 is the original model and features an automatic caliber. This classic diving watch also comes with a black dial and stainless steel bracelet. You can purchase a mint-condition version for around 920 USD. Pre-owned pieces sell for about 870 USD on Chrono24.

If you'd prefer a two-tone watch with three hands, you may enjoy the ref. L3.740.2.96.7 . A yellow gold PVD coating covers this model's indices, bezel, crown, and the center links of its bracelet. This watch costs roughly 760 USD in mint condition. Quartz timepieces with a black or blue dial fall in a similar price range. The ref. L3.742.3.56.7 offers the same design but with the automatic caliber L888. This version demands prices of between 450 and 1,100 USD on Chrono24.

Features of Three-Hand HydroConquest Watches

  • Automatic or quartz movements
  • Automatic movements with a 64-hour power reserve
  • Case sizes: 39, 41, and 44 mm
  • Water-resistant to 300 m (30 bar, 984 ft)
  • Aluminum Bezel

The Ceramic HydroConquest

Longines debuted a 43-mm HydroConquest with a black ceramic case and bezel in 2019. Like the rest of the HydroConquest family, this timepiece (ref. L3.784.4.56.9) is water-resistant to 300 m (30 bar, 984 ft). Its dial is also made of matte black ceramic and features dot indices, as well as Arabic numerals at 6, 9, and 12 o'clock and a date display at 3 o'clock. SuperLuminova fills the indices and silver-plated hands. The automatic caliber L888 powers this model. A matching black rubber strap with a double safety clasp holds this watch securely on the wrist. New timepieces change hands for around 2,900 USD on Chrono24. Pre-owned versions are currently few and far between.

Features of the Ceramic HydroConquest

  • Automatic caliber L888
  • A black ceramic case and bezel
  • 43 mm in diameter
  • Water-resistant to 300 m (30 bar, 984 ft)
  • 64-hour power reserve

Redesigned Models and Ceramic Bezels

Longines released several reworked HydroConquest models in 2018. Each watch measures 41 or 43 mm in diameter and features a ceramic dial. Minor changes were also made to the dial, which has a tidier look thanks to a smaller minute scale and lack of applied line indices. The bezel is also less cluttered than that of previous models. One example is the 43-mm ref. L3.782.4.56.6 with a black dial. Never-worn pieces sell for as little as 1,200 USD on Chrono24. You can get your hands on a pre-owned model for roughly 1,000 USD.

Features of Redesigned HydroConquest Watches

  • Automatic caliber L888 with a 64-hour power reserve
  • A new dial design
  • 41 or 43 mm in diameter
  • Water-resistant to 300 m (30 bar, 984 ft)
  • Ceramic bezel

Longines HydroConquest Chronographs

The automatic caliber L688 powers current HydroConquest chronographs. This movement comes with a column wheel – a feature many watch fans consider superior to the conventional cam-actuated chronographs. You can find the latter in movements like the Valjoux 7750. A pre-owned automatic chronograph, such as the ref. L3.744.4.56.6 , demands around 1,500 USD new and 1,300 USD pre-owned. On the other hand, quartz chronographs cost approximately 1,000 USD. Thanks to their precise, battery-powered movements, these watches can accurately measure times to within 1/100th of a second.

One of the most interesting chronographs bears the reference number L3.843.4.56.6. This quartz-powered timepiece is a stately 47.5 mm in diameter. It features sapphire crystal and, like the other HydroConquests, is water-resistant to 300 m (30 bar, 984 ft). The caliber L440 provides this timepiece with three subdials at 2, 6, and 10 o'clock, as well as a date display at 5. Dot indices and a "12" mark the hours on the black sunburst dial. Longines mounts the final watch on a stainless steel bracelet with a double safety clasp and integrated diving extension. While pre-owned pieces are rather hard to come by, mint-condition watches require an investment of only 1,100 USD.

Features of HydroConquest Chronographs

  • Automatic or quartz calibers
  • Caliber L688 with a column wheel
  • 41 or 47.5 mm in diameter
  • Available with an aluminum or ceramic bezel

An Elegant Three-Hand Diving Watch

If you're on the market for a stylish yet affordable three-hand diving watch, look no further than the Longines HydroConquest ref. L3.742.4.56.6. With a depth rating of 300 m (30 bar, 984 ft), this timepiece can join you on all of your aquatic adventures. The hands, indices, and Arabic numerals glow bright green in the dark, enabling you to keep track of the time underwater, at the movies, or any other time the lights go down.

It's easy to tell how long you've been underwater thanks to the diving bezel's highly precise minute scale. The polished case sides and middle bracelet links add an elegant touch. The case is also very flat for a diving watch, making this timepiece a great choice with a shirt and jacket.

The use of screws makes shortening the bracelet a breeze. Many watch manufacturers opt for small bars in place of screws to hold the links together. However, this system requires you to go to a watchmaker or jeweler to shorten the bracelet. Another benefit of the HydroConquest's band is the integrated diving extension system on both the rubber straps and metal bracelets. This feature makes lengthening or shortening the band even easier.

From the case to the bracelet, the brushed and polished finishes are of top quality. The polished crown guard is equally refined. An engraving of the Longines logo on the crown is another nice touch. Scratch-resistant sapphire crystal with an anti-reflective coating protects this timepiece from the front. On the back, you'll find a screw-down case back.


Diving Chronographs

Most chronographs don't double as diving watches, which is why they generally have a maximum depth rating of 100 m (10 bar, 328 ft). This is enough for a dip in the pool. HydroConquest chronographs, on the other hand, are water-resistant to 300 m (30 bar, 984 ft) and were created with divers and fans of water sports in mind. The design resembles that of the three-hand models. The dial and bezel are available in black, blue, or gray.

Longines' best chronographs are powered by the caliber L688, a column wheel chronograph movement. This mechanism is more practical than the alternative, a cam-actuated chronograph movement, as the push-pieces function more smoothly. ETA produces the L688 exclusively for Longines and places an emphasis on easy servicing. Unfortunately, due to the steel case back, you can't view the beautifully engraved caliber with perlage at work. If you prefer column wheel chronographs with a display case back, the model L2.786.4.56.3 from the Conquest Classic collection is a better choice. At a price of 2,300 USD, it costs a few hundred dollars more than the HydroConquest chronograph.

Like their three-hand counterparts, HydroConquest chronographs received an update in 2019. These newer models have less busy dials and a ceramic bezel. Longines produces these timepieces alongside previous versions. The 43-mm ref. L3.883.4.56.6 features a black dial and stainless steel bracelet. As with every HydroConquest, its case is water-resistant to 300 m (30 bar, 984 ft). The caliber L688 powers these watches and has a 54-hour power reserve. You can find this chronograph on Chrono24 for around 2,100 USD. Other editions with a gray or blue dial are available with either a stainless steel bracelet or a matching rubber strap.