Longines Ultra-Chron (L2.836.4.52.6)
$4,450.00 excluding taxes
ULTRA‑CHRON, L2.836.4.52.6, Automatic watch, Ø 43.00 mm, Stainless steel and sapphire.
Self winding mechanical movement beating at 36’000 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 52 hours.
Screw-in crown Unidirectional rotating bezel, Water-resistant to 30 bar, Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides.
Black dial, Swiss Super-LumiNova®.
Stainless steel bracelet, With triple safety folding clasp and push-piece opening mechanism.
Available
ULTRA‑CHRON
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.
Shape
CushionMaterial
Stainless steel and sapphireGlass
Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on the undersideCase Back
Screw-down case backDimension
Ø 43.00 mmLug distance
22 mmLug-to-lug
49.00 mmThickness
13.90 mmWater Resistance
Water-resistant to 30 barCase Specificities
Screw-in crown, Unidirectional rotating bezelWeight
172.1 gDial color
BlackHour markers
Applied indexesHands
Silvered polished handsSpecificities
Swiss Super-LumiNova®Movement Type
AutomaticFunctions
Hours, minutes, secondsCaliber
L836Movement Description
Self winding mechanical movement beating at 36'000 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 52 hoursMaterial
Stainless steelBuckle
With triple safety folding clasp and push-piece opening mechanismMagnetic resistant
YesChronometer Officially Certified
Yes
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