Chronograph

Family timeline

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

• 5966c. 1950–c. 1960
• 4270UndatedUndated — position unknown
• 5161 · SommatoreUndatedUndated — position unknown
• 5161A · SommatoreUndatedUndated — position unknown
• 5415UndatedUndated — position unknown
• 5699 · SommatoreUndatedUndated — position unknown
• 7412UndatedUndated — position unknown
• 7413UndatedUndated — position unknown
• 7413-6UndatedUndated — position unknown
• 7413-9UndatedUndated — 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.