Cc Bg 1920 1280

Longines Caliber L704.2

BrandLongines
Caliber NumberL704.2
Base Caliber
ETA A07.171
Movement TypeAutomatic
Linges 16.5”’
Diameter
36.6mm
Height
7.9mm thick
Jewels24
Power Reserve46 hours
Vibrations Per Hour28,800, 4Hz
Shock SystemIncabloc
Regulator
ETACHRON
Rotor Style
Ball-bearing
Rotor Winding
Uni-directional
Hacking Seconds?
Yes
Hand-Windable?
Yes
FeaturesCentral hours, central minutes, central sweeping seconds, central GMT hand (second time zone), quickset date at 3:00
Country of ManufactureSwitzerland
Known ModelsLongines Master Collection 42 24H / Longines Admiral GMT / Longines Military 1938 24H / Longines Avigation / Longines Conquest GMT

The Longines caliber L704.2 is based on the ETA caliber A07.171 Valgranges. It is a Swiss made automatic watch movement with 24 jewels and a GMT complication.

Additional Resources:

Venus Caliber 178
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