Longines

L25374722

Longines Ultra-Chron Classic Automatic L25374722

Longines Ultra-Chron Classic Automatic L25374722.

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.

Case

SHAPE  Round
GLASS  Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides
DIMENSION  Ø  37.00 mm
LUG DISTANCE  19 mm
THICKNESS  10.95 mm
WATER RESISTANCE  Water-resistant to 30 bar
CASE SPECIFICITIES  Screw-in crown, Unidirectional rotating bezel
WEIGHT  59.0 g

Dial and Hands

DIAL COLOUR  Sunray silver
HOUR MARKERS  Applied indexes
HANDS  Silvered polished hands

Movement and Functions

5 Year Warranty
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, date
LONGINES EXCLUSIVE CALIBRE  Yes

Strap

MATERIAL Leather
COLOUR  Black

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