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The Encyclopedia of Horology

Calibre database

Compare calibres

Choose up to three movements to set their recorded specifications side by side. Rows where the records differ are highlighted; values are copied from each calibre's own page.

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Specifications

FieldVienna regulator movement
MakerAustrian and later German trade; individual makers frequently unrecorded
CountryAustria and later Germany
PeriodEarly nineteenth century through the late nineteenth century
DiameterRectangular plates rather than a circular calibre
HeightNarrow, built to hang within a slim glazed case
JewelsGenerally unjewelled; the finest examples jewelled at the escapement
FrequencyPendulum-regulated; seconds-beating on the best examples
Power reserveEight days, or a month on longer-duration examples
WindingWeight driven, wound by pulling or by key depending on the arrangement
SettingHands set at the dial
EscapementDeadbeat, with high-grade examples having jewelled pallets
BalanceWooden or steel pendulum rod, frequently with rate adjustment at the rating nut
ComplicationsStriking on a gong on many examples, Seconds indication on precision examples
ArchitectureA light, finely finished weight-driven movement between rectangular plates, designed to run on very little power in a slim glazed wall case, with high-grade examples approaching precision-regulator standards.