Model family · Patek Philippe
Beta 21
5 references7 variants1969–1983
Patek Philippe’s first quartz wristwatches, built around the Beta 21 movement in massive gold cases by Ateliers Réunis with Stern Frères dials.
Family timeline
All recorded years
19601990
5 references in production order. Overlapping bars show overlapping recorded dates.
19601968197519831990
Dates are those recorded in the catalog. Faint bars mark approximate dates; a dashed point marks a single known endpoint. Undated references remain visible. Chronological order does not establish a predecessor or successor relationship.