1940s Breitling Venus-150 Rare Clamshell Chronograph Tri-colored Scales Dial

1940's manufacture Breitling with the famous Venus 150 Rare clamshell chronograph with popular 3-color scale dial Beautiful.
The early waterproof case, one of the few Breitling models called a clamshell, and the silver dial with mirror-printed hour markers on a three-color scale that includes tachymeter (blue), minute track (red), and in-dial track (black) are all Breitling's most popular features of later years. It is a gem that allows you to appreciate the design and craftsmanship unique to this era. It is equipped with Venus's famous Cal. 150, which was used by many brands.