El Primero Chronograph

Family timeline

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

• A781c. 1970–c. 1971
• A787c. 1970–c. 1971
• 20.0250.400.c. 1980–?
• 02.0310.400c. 1990–c. 1997
• 06.0050.400c. 1990–c. 1994
• 15/53-0470-400c. 1990–c. 1996
• 19.0130.400c. 1990–c. 1998
• 20.0020.400c. 1990–c. 2000
• 30.0220.400c. 1990–c. 1992
• 02.2310.400c. 1994–c. 1999
• 01-0010.420c. 1995–c. 1997
• 02-0370-400c. 1995–c. 2000
• 53.0370.400c. 1996–c. 1999
• 01.0500.400c. 1998–c. 1999
• 02.0360.400c. 1999–c. 2000

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.