Longines Caliber 18L

Manufacturer	Longines
Caliber Number	18L, 18L/1
Base Caliber	AS 1726
Movement Type	Mechanical, manual-wind
Vibrations Per Hour	21,600 vph
Jewels	17
Power Reserve	Unknown (please add to comments below)
Diameter	8 3/4”’ / 19.4mm (please confirm in the comments below)
Height	3.55mm
Hands	1.20, 0.65, 0.18
Hairspring	ZF1298
Shock Absorber	Incabloc
Hacking?	Yes
Balance	Screw balance
Functions	Hours, minutes
Country of Manufacture	Switzerland
Known Models	Vintage manual wind Longines 18L (add more to comments below)

The Longines caliber 18L was produced in Switzerland by Schild S.A. aka ASSA. This movement was produced as an ébauche most commonly known as AS caliber 1726. Longines finished it as the 18L or 18 L/1.

At the time of this listing, replacement prices were found around $95.00.