Oysterdate Precision

Family timeline

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

• 6494c. 1946–c. 1958
• 6294c. 1950–c. 1963
• 6466c. 1957–c. 1985
• 6646c. 1960–c. 1983
• 6694c. 1961–c. 1983
• 6425c. 1964–c. 1965
• M6694/0UndatedUndated — position unknown

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.