I was looking at my grandfather's Swiss gold watch from 1952. The case is only 31mm in diameter. Today, the typical man's watch case is 42mm, and 31mm is considered a woman's size.
I'd be worried that my grandfather was gay, except he had three kids, wore wifebeater shirts, and drank Pabst Blue Ribbon non-ironically (along with other classic brands like Rheingold and Schlitz).
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Too bad it's a less prestigious brand than Rolex or Jaeger LeCoultre. I wound it up last night, and the time is still correct; if it's off, it's by less than 30 seconds. Not bad for a 60-year-old watch.