Longines 431

The fast beating caliber of Longines
The fast beating caliber of Longines



Technical data

ManufacturerLongines
Caliber431
Number of jewels25
EscapementAnchor with pallets
BalanceGlucydur
Shock protection(s)KIF Ultraflex
Balance cock directionclockwise
Hairspring studmoveable
Regulator typeExcenter
FeaturesSCI,QG,AUT
FunctionsHour, minute, second, day
Beats per hour36000
Size111/2'''
Production time1967 - ?
Image in Flume Werksucher K3 214
Factsheet