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Deal.ai › Longines › Mens Dive Watches
Longines
Longines HydroConquest Stainless Steel Black Dial Automatic Diver's L3.781.4.05.6 300M Men's Watch

Longines HydroConquest Stainless Steel Black Dial Automatic Diver's L3.781.4.05.6 300M Men's Watch

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$1,599.97at WalmartChecked Nov 9

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Price facts

  • Last seen at $1,599.97 at Walmart on Nov 9.

Our take on the Longines HydroConquest Stainless Steel Black Dial Automatic Diver's L3.781.4.05.6 300M Men's Watch

The HydroConquest L3.781.4.05.6 is Longines' entry into serious dive-watch territory: a 41 mm stainless steel case, a black dial, a unidirectional dive bezel and 300 m water resistance. It runs on an automatic movement with a date window, sapphire crystal and a screw-down crown, so it needs no battery and holds up to daily wear. It suits buyers who want Swiss dive-watch specs and heritage branding without stepping into the luxury tier of Omega or Tudor. Against cheaper divers like the Seiko Prospex it offers a more refined case and bracelet; against pricier rivals it gives up some movement finishing and brand prestige.

Best forFirst serious Swiss automatic dive watchDaily wear with occasional swimming and snorkelingBuyers who want a bracelet diver under luxury-tier moneyFans of classic black-dial dive styling
Pros
  • 300 m water resistance with screw-down crown
  • Automatic movement, no battery changes
  • Sapphire crystal resists scratches
  • Unidirectional rotating dive bezel with clear markings
  • Luminous hands and markers for low light
  • Date window adds everyday usefulness
Cons
  • 41 mm case wears large on slim wrists
  • No ceramic bezel insert at this tier
  • Bracelet clasp is functional rather than refined
  • Automatic movement needs regular wear to keep running

Longines HydroConquest Stainless Steel Black Dial Automatic Diver's L3.781.4.05.6 300M Men's Watch prices at every store

  • WalmartNew

    In stockSold by Inventory AdjustersReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $1,599.97Free shippingChecked Nov 9
    Visit Walmart

What reviewers say

Owners of the HydroConquest line generally rate it as a solid, well-built Swiss diver that punches above its class. Common praise centers on the case finish, bracelet comfort and the reassurance of 300 m rating; criticism tends to focus on the bezel action and the size on smaller wrists.

What people mention
  • Bezel actionMixedSome owners find the rotating bezel crisp and others say it feels stiff or has a little play.
  • Case sizeMixedMany like the 41 mm presence, while slimmer-wristed buyers find it wears large.
  • Build qualityPraisedOwners describe the case and bracelet as solid and well finished for the money.
  • LegibilityPraisedThe black dial, luminous hands and markers are called easy to read day or night.
  • ClaspCriticisedThe folding clasp is seen as the weakest part, basic next to the rest of the watch.

About the Longines HydroConquest Stainless Steel Black Dial Automatic Diver's L3.781.4.05.6 300M Men's Watch

The Longines HydroConquest L3.781.4.05.6 is a men's automatic dive watch. It has a 41 mm round stainless steel case with a unidirectional rotating bezel and a black dial. A sapphire crystal covers the dial.

It comes on a silver stainless steel bracelet, 21 mm wide, with a double safety folding clasp. The automatic movement needs no battery and keeps running when the watch is worn regularly.

The watch has a date display, luminous hands and markers, and a screw-down crown. Water resistance is 300 m (30 ATM).

Model
L3.781.4.05.6
Movement
Automatic
Case
Stainless steel, round, 41 mm
Dial
Black
Crystal
Sapphire
Bezel
Unidirectional rotating dive bezel
Bracelet
Silver stainless steel, 21 mm wide
Clasp
Double safety folding clasp
Crown
Screw-down
Functions
Date, luminous hands and markers
Water resistance
300 m (30 ATM)

Specifications

color
BlackSource

Questions and answers

Is the Longines HydroConquest a true dive watch?
Yes. It has a unidirectional rotating bezel, a screw-down crown and 300 m water resistance, which covers swimming, snorkeling and recreational diving.
Does it need a battery?
No. It uses an automatic movement powered by the motion of your wrist. Wear it regularly and it keeps running; leave it unworn for days and it will stop.
How does it compare with the Seiko Prospex divers?
The HydroConquest offers a more refined case and bracelet and Swiss branding. Seiko Prospex divers typically cost less and offer similar water resistance, so the choice comes down to finish and brand preference.
What is in the box?
The watch on its stainless steel bracelet, with Longines packaging and paperwork. A different strap is not included.
Is 41 mm too big for everyday wear?
It depends on your wrist. At 41 mm with a dive bezel it has real presence; buyers with wrists under about 6.5 inches often find it chunky.
Can the bracelet be swapped for a strap?
Yes. The 21 mm lug width accepts aftermarket straps, though 21 mm is less common than 20 or 22 mm, so choices are narrower.
Where is the Longines HydroConquest Stainless Steel Black Dial Automatic Diver's L3.781.4.05.6 300M Men's Watch cheapest?
At Walmart, for $1,599.97, as of our latest check.

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