Oyster Perpetual 31

Family timeline

14 references in production order. Overlapping bars show overlapping recorded dates.

• 6444c. 1941–c. 1958
• 6548c. 1953–c. 1972
• 6551c. 1958–c. 1970
• 6751c. 1961–c. 1984
• 6748c. 1969–c. 1982
• 67488c. 1970–c. 1993
• 67483c. 1971–c. 1997
• 67514c. 1976–c. 1998
• 67518c. 1976–c. 2000
• 67480c. 1983–c. 1999
• 77014c. 1985–?
• 67513c. 1988–c. 1996
• 77080c. 1990–?
• 77483c. 1999–?

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.