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Longines

Ultra-Chron Diver Carbon

SKU: L2.839.4.52
  • $4,90000

  • LONGINES AUTHORIZED DEALER
  • TOPPER EXTENDED GUARANTEE

A collision of tradition and modernity

Inspired by the original Longines Ultra-Chron Diver of 1968, this next-generation Ultra-Chron is forged from ultra-light carbon fiber, and is powered by a state-of-the-art high-frequency calibre, together representing the first reinterpretation of what sets Longines apart – its status as a pioneer in the world of sports timing.

Designed for lovers of vintage dive watches and high technology aficionados, this Ultra-Chron is powered by the new Longines L836 calibre, which is a high-frequency (5Hz) mechanical self-winding movement with silicon balance spring. Characterized by its ultra-smooth sweep seconds hand, high-frequency watches are prized by collectors for their accuracy, so in keeping with those traditions, Longines ensures that each Ultra-Chron watch meets the strict chronometric precision criteria established under ISO 3159 (-4/+6s day) in order to be called Chronometer, before taking the traditional COSC testing one step further by then casing the watch and subjecting it to a series of additional tests designed to simulate daily wear, over the course of 15 days. 

    KEY FEATURES

    • Movement

      Self-winding
    • Case

      43mm Carbon Fiber
    • Dial

      Black
    • Water Resistance

      300 meters

    SPECIFICATIONS

    Case

    • Shape: Round
    • Material: Carbon fiber, with a titanium crown & caseback
    • Glass: Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on the underside
    • Case Back: Screw-down case back
    • Dimension: Ø 43.00 mm
    • Lug Distance: 22 mm
    • Thickness: 13.6 mm
    • Water Resistance: Water-resistant to 30 bar
    • Case Specificities: Uni-directional rotating bezel, screw-in crown, engraved screwdown caseback

    Dial and Hands

    • Dial Colour: Matte black 
    • Hour Markers: Applied wedge-shaped indexes
    • Hands: Silvered polished hands
    • Specificities: Swiss Super-LumiNova®

    Movement

    • Movement Type: Automatic
    • Caliber: L836
    • Movement Description: Self winding mechanical movement beating at 36'000 vibrations per hour, with a monocrystalline silicon balance-spring power reserve of approximately 52 hours
    • Functions: Hours, minutes, seconds

    Strap

    • Material: Textured nylon with leather backing & titanium buckle

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