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Longines

Longines Legend Diver L3.764.4.90.2 39 mm Blue Dial NATO Strap Watch

SKU CH-PN00-V1BBH MPN L3.764.4.90.2

A 39 mm stainless-steel diver with an internal rotating bezel, dual screw-down crowns and a blue NATO strap, powered by a Swiss automatic chronometer movement offering 72 hours of power reserve

  • Product seriesLegend Diver
  • Watch movementSwiss Automatic Chronometer
  • Design styleLuxury
  • Product shapeRound
  • Watch face colorBlue
  • Dial materialMetal
  • Swiss Automatic Chronometer certified movement ensures precision timing
  • 39 mm Super-Compressor case with internal rotating bezel for diving control
  • 300 m water resistance supports professional underwater exploration
  • 72-hour power reserve keeps the watch running through weekends
  • Blue NATO nylon strap with signed buckle offers secure, comfortable wear

39 mm Super-Compressor Diver

The Longines Legend Diver L3.764.4.90.2 is a 39 mm stainless steel watch powered by the automatic calibre L888. It features a bi-directional internal rotating bezel operated by the 2 o'clock crown, while the 4 o'clock crown handles time setting and winding. A scratch-resistant sapphire crystal protects the lacquered blue dial with applied Arabic numerals and luminescent arrow-pencil hands. The watch comes on a 20 mm blue nylon NATO strap with a signed stainless steel buckle.

Collectors wanting historic 300 m diver

This piece suits buyers who value the 1959 Super-Compressor heritage, dual-crown operation and a COSC-certified movement delivering 72 hours of power reserve at 25,200 vibrations per hour. It is not for wearers who require a date window on the dial, prefer a bracelet over a NATO strap, or need a case diameter larger than 39 mm.

300 m water resistance decides fit

The 300 metre rating is the single specification that determines whether this Legend Diver matches the buyer's intended use, from daily wear to professional diving. The screw-down crowns and solid case back secure that depth rating, while the 12.70 mm case thickness defines the wrist presence.

How it compares

Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.

Price $1,710.99
Pricier than about 92% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameLongines
Model nameL37644902
Part numberL37644902
Design styleLuxury
Product seriesLegend Diver
Product colorBlue/Silver
Watch face colorBlue
Item conditionNew
Display
Display typeAnalog
Size & build
Main materialStainless Steel/Nylon
Product shapeRound
Dial materialMetal
Strap materialNylon
Strap width20 mm
Closure typeBuckle
Bezel typeBi-directional Rotating
Case constructionSolid
Case size39 mm
Housing materialStainless Steel
Crown typeScrew-Down Crown
Watch glassSapphire Crystal
Environment & compliance
Water resistance300 m
More details
Watch movementSwiss Automatic Chronometer
Dial markingsArabic
Date displayNo Date
Suitable forMale
Age groupAdult

Questions about this item

How can I confirm the 39 mm Legend Diver is running correctly after I put it on?

The L888 calibre is a certified Swiss automatic chronometer beating at 25,200 vibrations per hour; a steady sweep of the seconds hand and consistent timekeeping within chronometer tolerances show it is working as intended.

What comes in the box with the L3.764.4.90.2 and what must I buy separately?

The watch ships new in its original Longines packaging fitted with the blue nylon NATO strap and signed stainless steel buckle; no additional strap or tool is required for immediate wear.

Which version of the Legend Diver should I choose if I want the 39 mm blue-dial model with a NATO strap?

The reference L3.764.4.90.2 is the 39 mm stainless steel Super-Compressor case with lacquered blue dial, internal rotating bezel, dual screw-down crowns and blue NATO nylon strap — exactly the specification described.

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