Kensington Watches
Longines HydroConquest Quartz 42mm Mens Watch Bi-Colour Black

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Longines

Longines HydroConquest Quartz 42mm Mens Watch Bi-Colour Black

Ref. L37693567

Among our 271 Longines watchesThis watch£1,550
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Stepping up in the same colour and case shape

Price range £900 to £22,850 across 271 Longines watches in stock.

The HydroConquest has always sat at the serious end of Longines' range — a diver built to rated depths rather than a dress watch with optimistic credentials — and the quartz variant makes a particular case for itself. At 11.3mm thick, it is meaningfully slimmer than the automatic versions of the same watch, which means it clears a cuff without the bracelet riding up the wrist. That matters at 300m-rated capability, where most watches of comparable depth wear like a tool strapped to the forearm. The two-tone execution here pairs brushed steel with gold PVD, and the black sandblasted dial holds that combination in check: the applied baton indexes catch light cleanly against a surface that absorbs rather than reflects, keeping the dial readable under conditions where a sunray finish would work against you. The rotating bezel and the bracelet share the same material logic, so nothing reads as an afterthought.

Reference
L37693567
Brand
Longines
Collection
HydroConquest
Case size
42mm
Case material
Gold PVD
Case shape
Round
Dial
Black
Crystal
Sapphire
Bezel
Bidirectional rotating
Movement
Automatic
Calibre
L157
Functions
Date
Water resistance
300m
Bracelet / strap
Stainless steel bracelet
Strap colour
Gold
Clasp
Folding clasp
Lume
Super-LumiNova
Retailer
Goldsmiths
Additional specifications
Origin
Swiss made
Learn more about Longines

Auguste Agassiz began trading watches in Saint-Imier in 1832, but the modern company dates from 1860, when his nephew Ernest Francillon built a factory in the meadows beside the Suze — the longines of the local dialect — and consolidated the scattered outworkers of the region under one roof.

Longines registered its winged hourglass in 1889. It is the oldest watch trademark still in continuous use.

The company's identity was built on precision and on timing things in public. It supplied chronographs for the first modern Olympic events it timed in 1896, timed the 1912 Federal Gymnastics Festival with a broken-wire mechanism accurate to a hundredth of a second, and developed the photo-finish camera and the quartz timing devices used across twentieth-century athletics.

Its aviation associations are equally deep. Longines instruments were carried by Charles Lindbergh across the Atlantic in 1927, and the Hour Angle watch, designed to Lindbergh's own specification to simplify longitude calculation, remains in the catalogue. Amelia Earhart and Howard Hughes both navigated by Longines.

The house was among the most decorated at nineteenth-century observatory trials, holding numerous precision records. Since joining the Swatch Group in 1983 it has occupied the accessible-heritage position: exclusive ETA-based movements, archive-driven designs through the Heritage line, and volume that makes it one of the group's most important brands.

1860
Ernest Francillon builds the factory at Les Longines.
1889
The winged hourglass is registered — the oldest watch trademark in use.
1912
Broken-wire timing achieves hundredth-second accuracy.
1927
Lindbergh crosses the Atlantic with Longines instruments.
1983
Becomes part of the Swatch Group.

All Longines watches

Also in 5 collections

This watch appears in the Longines HydroConquest range (42), Automatic Watches (1,570), Sports Watches (707), Dive Watches (505) and Gold Watches (492).

Best of 2 retailers

What the specifications mean

A mechanical watch built to be worn hard and got wet.

Strengths

  • 300m water resistance, rated for actual diving
  • Sapphire crystal, which resists scratching
  • Luminous hands and markers for low light
  • Sits in the lower half of Longines's range as we list it
Best forDivingSwimmingEveryday wear

Longines HydroConquest alternatives

Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.

HydroConquest Quartz 42mm Mens Watch Bi-Colour Black compared with 2 alternatives from other brands
SpecificationThis watchHydroConquest Quartz 42mm Mens Watch Bi-Colour BlackL37693567OrisAquis Date Upcycle 41.5mm Mens Watch01 733 7787 4150-07 8 22 04PEBSeikoDiver’s 1968 300M Heritage GMT 42mm Mens Watch BlackHBC002J1
Price£1,550£1,575£1,700
Case size42mm41.5mm42mm
Water resistance300m300m300m
MovementAutomaticAutomaticAutomatic
StrapStainless steel braceletStainless steel braceletStainless steel bracelet
Power reserve—38 hours72 hours
This watchClosely matchedClosely matched

Your new watch

Frequently asked questions, and things you should know about this watch

Can I swim with it?

Yes. At 300m it is rated for swimming, snorkelling and recreational diving.

Water resistance explained

Will the glass scratch?

Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.

Sapphire, mineral and acrylic compared

Does it need a battery?

No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.

Quartz, automatic and solar compared

Is it a men's or women's watch?

Listed as men's.

Cheapest place to buy

Both Mappin & Webb and Goldsmiths list it at £1,550, so choose on delivery and warranty rather than price.

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