Longines Caliber L704.2

Brand	Longines
Caliber Number	L704.2
Base Caliber	ETA A07.171
Movement Type	Automatic
Linges	16.5”’
Diameter	36.6mm
Height	7.9mm thick
Jewels	24
Power Reserve	46 hours
Vibrations Per Hour	28,800, 4Hz
Shock System	Incabloc
Regulator	ETACHRON
Rotor Style	Ball-bearing
Rotor Winding	Uni-directional
Hacking Seconds?	Yes
Hand-Windable?	Yes
Features	Central hours, central minutes, central sweeping seconds, central GMT hand (second time zone), quickset date at 3:00
Country of Manufacture	Switzerland
Known Models	Longines 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:

• View more Longines calibers
• More info on the ETA site
• All about Valgranges movements