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Ultra‑Chron Carbon L2.839.4.52.2

$5,550.00

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In 1968, LONGINES launched the Ultra-Chron Diver, the first dive watch equipped with a high-frequency movement. At the time, LONGINES had already established itself as a pioneer in high-frequency technology. As early as 1910, the winged hourglass brand created the first high-frequency timekeeping device capable of measuring 1/10th of a second. In 1959, LONGINES developed the first high-beat movement for a wristwatch, an observatory chronometer that set new records in terms of accuracy. The new Ultra-Chron is inspired by the aesthetic codes and professional diving features of the 1968 model. These chronometer-certified watches are powered by an exclusive LONGINES calibre equipped with a silicon balance-spring and resistant to magnetic fields.

Technical Data

  • Model: L2.839.4.52.2
  • Collection: Heritage
  • Sub Collection: Ultra‑Chron
  • Dial Color: Anthracite
  • Indexes: Applied indexes
  • Hands: PVD Gray polished hands
  • Strap Color: Black
  • Strap Material: Nylon
  • Strap Buckle: With titanium buckle
  • Lug Width (Mm): 22 mm
  • Lug-To-Lug (Mm): 48.90 mm
  • Movement: Automatic
  • Caliber: L836
  • Movement Detail: Self winding mechanical movement beating at 36'000 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 52 hours
  • Functions: Hours, minutes, seconds
  • Case Shape: Round
  • Case Dimentions (Mm): 43.00 mm
  • Case Material: Titanium/carbon
  • Case Thickness (Mm): 14.00 mm
  • Caseback: Screw-down case back
  • Case Weight: 67.0 g
  • Glass Material: Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides

    • Features

  • Water Resistance: 30 bar
  • Magnetic Resistant: Yes
  • Offically Certified: Yes
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