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 meets dive watch standards.

How does it compare with the Tudor Black Bay?

Both are Swiss automatics rated to 200-300 m, but the Black Bay uses an in-house movement and a ceramic bezel at a much higher price. The HydroConquest is the simpler, lighter option.

What is the case size?

The case is 41mm in diameter, a size that fits most wrists. The strap is 21mm wide at the lugs.

Yes, there is a date window on the dial.

Can I swim with the nylon strap?

Yes, but the nylon holds water and dries slowly. A rubber or steel strap is better for frequent swimming.

Is it a good first automatic watch?

It is a common first Swiss automatic: reliable movement, strong water resistance and a well-known brand without the higher luxury markup.

Longines HydroConquest Men's Nylon Strap Men's Automatic Watch L3.781.4.05.2

Best price now

$1,333.00at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart

Longines HydroConquest Men's Nylon Strap Men's Automatic Watch L3.781.4.05.2

Best price now

$1,333.00at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Price facts

Last seen at $1,333.00 at Walmart on Nov 9.

Our take on the Longines HydroConquest Men's Nylon Strap Men's Automatic Watch L3.781.4.05.2

The Longines HydroConquest L3.781.4.05.2 is a 41mm stainless steel dive watch with a black dial, a unidirectional rotating bezel and a green nylon strap. It runs on a Longines automatic movement and is rated to 300 m of water resistance, with a date window at 3 o'clock. It sits in the entry-luxury dive segment alongside the Tudor Black Bay, Oris Aquis and TAG Heuer Aquaracer, but undercuts them on price while matching their depth rating. The nylon strap and aluminum bezel insert make it lighter and more casual than bracelet versions, which suits everyday wear more than formal use.

Best forFirst serious dive watch buyersEveryday casual and weekend wearSwimmers and snorkelersShoppers wanting Swiss automatic under the luxury tier

Pros

300 m water resistance with a screw-down crown
Swiss automatic movement with a date
41mm case wears well on most wrists
Sapphire crystal resists scratches
Nylon strap is light and comfortable in heat
Strong brand service network

Cons

Aluminum bezel insert scratches more easily than ceramic
No bracelet included on this strap version
Nylon strap soaks up water and dries slowly
Bezel action is firm but not as crisp as pricier divers
Lume is good but below Seiko's best

Longines HydroConquest Men's Nylon Strap Men's Automatic Watch L3.781.4.05.2 prices at every store

WalmartNew
In stockSold by WatchMaxxReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$1,333.00+ $20.00 shippingChecked Nov 9
Visit Walmart

What reviewers say

Owners rate the HydroConquest as a solid value Swiss diver with real 300 m capability and a comfortable case. Most praise the build and movement for the money; common complaints are the aluminum bezel and the strap.

What people mention

Build qualityPraisedOwners say the case and finishing feel sturdier than the price suggests.
BezelMixedThe unidirectional bezel lines up well but the aluminum insert scratches and fades over time.
StrapCriticisedThe nylon strap is comfortable but soaks up water and takes a while to dry.
MovementPraisedThe automatic movement keeps good time and needs little attention.
Water resistancePraisedOwners trust the 300 m rating for swimming and diving.

About the Longines HydroConquest Men's Nylon Strap Men's Automatic Watch L3.781.4.05.2

The Longines HydroConquest is a men's sport watch with an automatic movement. The case is round stainless steel and measures 41mm. It has a unidirectional bezel and a sapphire crystal.

The dial is black with an analog display and a date function. The green nylon strap is 21mm wide and fastens with a buckle. The watch is tested to 300 m (30 ATM) of water resistance.

Brand: Longines
Model: HydroConquest L3.781.4.05.2
Movement: Automatic
Case: Round stainless steel, 41mm
Bezel: Unidirectional
Crystal: Sapphire
Dial: Black, analog display
Strap: Green nylon, 21mm wide, buckle closure
Functions: Date
Water resistance: 300 m (30 ATM)
Color: Silver

Specifications

color: SilverSource

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 meets dive watch standards.
How does it compare with the Tudor Black Bay?: Both are Swiss automatics rated to 200-300 m, but the Black Bay uses an in-house movement and a ceramic bezel at a much higher price. The HydroConquest is the simpler, lighter option.
What is the case size?: The case is 41mm in diameter, a size that fits most wrists. The strap is 21mm wide at the lugs.
Does it have a date?: Yes, there is a date window on the dial.
Can I swim with the nylon strap?: Yes, but the nylon holds water and dries slowly. A rubber or steel strap is better for frequent swimming.
Is it a good first automatic watch?: It is a common first Swiss automatic: reliable movement, strong water resistance and a well-known brand without the higher luxury markup.
Where is the Longines HydroConquest Men's Nylon Strap Men's Automatic Watch L3.781.4.05.2 cheapest?: At Walmart, for $1,333.00, as of our latest check.