Breitling Up/Down Chronograph Ref. 179, c.1940s

This Breitling Ref. 179 chronograph from the 1940s has a 45-minute register at 12 o'clock and a subsidiary seconds display at 6 o'clock. It features a 35 mm steel barrel case with a brown leather strap.

• The description claims that Breitling’s use of Venus movements during this period helped define the reliability and feel of many early chronographs.