The Watch Encyclopedia

Perpetual calendar

Also known as: QP · quantieme perpetuel

A calendar mechanism programmed to account for month lengths and leap-year cycles.

Good to know

Stopping, incorrect setting and exceptional century years can still require correction; check the calibre instructions.

All terms in this category →

Watch library

Related watches

Explore watches ↗
Glashütte Original Senator Excellence Perpetual Calendar 1-36-02-02-05-61

Glashütte Original

1-36-02-02-05-61

View watch ↗
Glashütte Original Senator Excellence Perpetual Calendar 1-36-12-02-05-62

Glashütte Original

1-36-12-02-05-62

View watch ↗
Glashütte Original Senator Excellence Perpetual Calendar 1-36-12-03-02-61

Glashütte Original

1-36-12-03-02-61

View watch ↗
Glashütte Original Senator Excellence Perpetual Calendar 1-36-12-03-02-64

Glashütte Original

1-36-12-03-02-64

View watch ↗
Glashütte Original Senator Excellence Perpetual Calendar 1-36-12-03-02-71

Glashütte Original

1-36-12-03-02-71

View watch ↗
H. Moser & Cie. Endeavour Perpetual Calendar Funky Blue fumé 1800-0204

H. Moser & Cie.

1800-0204

View watch ↗
Glashütte Original ↗H. Moser & Cie. ↗Tissot ↗Urban Jürgensen ↗Vacheron Constantin ↗Ventura ↗Vostok Europe ↗

Connections use recorded specifications. Features vary by reference.

← All termsExplore current offers ↗