Longines L3.640.4.56.6

A handsome HydroConquest for gents, the Longines L3.640.4.56.6 presented in a robust steel on steel construction with a bold Sunray Black dial, which designed to meet the demanding specifications of the open seas enthusiasts by featuring a decent, 300 m water resistance and SuperLuminova. And behind its stylish appearance, this sporty watch is backed with a precise Swiss quart movement delivered by the Longines caliber L263 inside.


Opted for diving and other water related activities, this wrist watch’s finely built case and link bracelet are made of premium grade stainless steel that is rugged and corrosion resistant. Its face is shielded with a scratch resistant sapphire that is enhanced with an anti-reflective coating. And to let you conveniently make use of it, the rhodium-plated hands, as well as the indices on its dial feature SuperLuminova luminescent coating so that they would remain visible in every light conditions.

Compared to the Chronograph HydroConquest, this Longines L3.640.4.56.6 is a tad bit smaller, and slimmer, too --but, it has with the same bracelet, and similar dial layout, sans the subdials. Its polished case that comes with Black aluminum rotating bezel, a fluted screw-in crown, and a screw down solid caseback measures 39 mm in diameter and approximately 10.2 mm thick. The bracelet, which is finely fashioned with brushed and polished finish is around 22 mm wide, comes with a double security folding clasp, and features an integrated diving extension.

Speaking of the engine inside, Longines caliber L263 is a fine quartz movement that has a good accuracy and durable. Buile based on the ETA 955.412, this Swiss quartz movement offers a precise three hands, and an automatic date at the three o’clock position. These functions are nicely showcased through the watch’s Sunray Black dial that is neat and easy to read, which in addition to the luminous hands and indices mentioned once before, also features applied, Silver tone hour markers and three, large Arabic hour markers (6, 9, 12) with SuperLuminova fill.

Just like every HydroConquest, this watch has a sport oriented design. But, that doesn't means that you can't wear it as your daily wrist accessory. In fact, with that kind of look, it is versatile enough to be paired with anything from your casual to formal attires alike. Anyway, this diving ready steel on steel timepiece’s original manufacturer suggested retail price is quite reasonable at $1,000.00 --which is one more good reason to snatch it, right?

Watch Specification

Brand:	Longines
Collection:	HydroConquest
Series:	Chronograph Quartz
Model number:	L36404566 Style: L3.640.4. Ref: L3.640.4.56.6
Watch style:	Gent, Casual, Sporty, Diver
Display type:	Analog
Movement:	Swiss quartz Longines caliber L263. Personalized, based on ETA 955.412. Swiss made, battery powered quartz movement, three hands, date. 7 jewels. Battery: 371/395 Renata, 2 up to 3 years of battery life.
Functions:	Hour, Minute, Seconds, Date
Dial:	Sunray Black Silver tone rhodium-plated hands with SuperLuminova. Rhodium-plated stick markers, alternates with Arabic numeral markers at 6, 9, and 12 with SuperLuminova fill. Ten indicies with SuperLuminova. Date display at 3.
Window:	Sapphire Crystal scratch resistant. anti reflective.
Case:	Stainless steel Round, Ø 39 mm, ± 10.2 mm thick. polished.
Bezel:	Aluminum Uni-directional rotating bezel. Black, polished. Silver and White markers.
Caseback:	Solid screwed down stainless steel. engraved.
Crown:	Screw down crown stainless steel. fluted, logoed.
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 Luminous hands and markers
Water resistant:	300 m (30 ATM / 1000 feet) diving ready. suitable for rain, showering, swimming, snorkeling, and diving.
Additional info:	-