Longines L3.643.4.56.6

A diving ready wrist watch from the HydroConquest collection for gents, the Longines L3.643.4.56.6 is packed with quality materials and components to meet the strict requirements demanded by enthusiasts of the open seas. The sporty timepiece is presented in a sturdy steel on steel construction with a pleasing 300 m water resistant, and backed by the finely tuned Longines calibre L541 Swiss quartz chronograph movement.


Designed as a "water friendly" timepiece, its solid case, as well as the fine brushed and polished three-rows link bracelet are made of premium grade stainless steel that is rugged and corrosion resistant. Its case that measures 41 mm in diameter and 12.9 mm thick comes with Black aluminum rotating bezel, screw-in crown with two pushers alongside, and a screw down solid caseback. Meanwhile, its 22 mm wide link bracelet features a single locking security folding clasp to ensures that the watch would remains soundly on the wrist during your activities, and it also has an integrated diving extension.

Inside, this Longines L3.643.4.56.6 HydroConquest houses the caliber L541, a Swiss made, battery powered quartz 27 jewels movement that offers three hands, chronograph function that performs with 1/10 a second accuracy, and an automatic date at four.

For an improved read-ability, the watch’s Sunray Black dial comes with Polished rhodium-plated hands and stick markers, a single twelve Arabic numeral hour marker, and ten indices which all features SuperLuminova luminescent coating so that they would remain visible in every light conditions. And as expected, its face is covered with a scratch resistant sapphire, and it also feature anti-glare coating as well. A little note here is that as the hands are quite large (and non-skeleton), they might obstruct the way you read the chronograph.


Having 300 m water resistance, this timepiece is not only immune against slight wetness and rain, but also suitable for swimming, snorkeling, and even diving. And despite of its sport oriented design, this watch does look good with casual and formal attires, too. Anyway, for all of its quality offerings, this Longines HydroConquest watch is reasonably priced with an original manufacturer suggested retail price of $1,400.00.

Watch Specification

Brand:	Longines
Collection:	HydroConquest
Series:	Chronograph Quartz
Model number:	L36434566 Style: L3.643.4. Ref: L3.643.4.56.6
Watch style:	Gent, Casual, Sporty, Diver
Display type:	Analog
Movement:	Swiss quartz Longines caliber L541. Personalized, based on ETA 251.262. Swiss made, battery powered quartz movement, three hands, chronograph, date. 27 jewels. Battery: 394 Renata, 2 up to 3 years of battery life.
Functions:	Hour, Minute, Seconds, Chronograph, Date
Dial:	Sunray Black Silver tone rhodium-plated hands with SuperLuminova. Rhodium-plated stick markers. Ten indicies and a single Arabic numeral at 12 with SuperLuminova. Three sub-dials with Sunray black background and silver ring: Small seconds at 6; 1/10 a second counter at 2; 12 hour counter at 10; complimented with Central 60 minute counter hand. Date display at 4.
Window:	Sapphire Crystal scratch resistant. anti reflective.
Case:	Stainless steel Round, Ø 41 mm, ± 12.9 mm thick. polished.
Bezel:	Aluminum Uni-directional rotating bezel. Black, polished. Silver and White markers.
Caseback:	Solid screwed in stainless. engraved.
Crown:	Screw down crown stainless steel. logoed. with two pushers.
Bracelet:	Stainless steel Silver tone, fine brushed and polished. three-rows link bracelet. ± 22 mm wide. men’s standard.
Clasp:	Deployment clasp with double security folding clasp and integrated diving extension.
Notable Features:	Calendar Chronograph Luminous hands and markers
Water resistant:	300 m (30 ATM / 1000 feet) diving ready. suitable for rain, showering, swimming, snorkeling, and diving.
Additional info:	-