Longines Caliber 18L

Longines Caliber 18L

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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.

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