Description
This is a vintage Gruen Precision Autowind wristwatch, likely dating from the late 1940s to the 1950s.
Key Features and Identification
Model: Often referred to as part of the early Gruen “Autowind” series, including models like the Triumph.
Movement: This watch typically uses an automatic “bumper” movement, which was Gruen’s first type of automatic mechanism. Common calibers for this era include the 470SS and 480SS.
Case: These vintage models were frequently made with 10K gold-filled cases and often featured “Breguet” style numerals on a light-colored or “tropical” (patinated) dial.
Production Era: These specific styles were produced between approximately 1948 and 1955.
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