Girard-Perregaux Medical Chronograph: How You Tracked A Heart Rate In the 1930s

Girard-Perregaux is a wonderful old Swiss watch manufacturer.  They have been making some beautiful chronographs for decades now.  We have featured a few of them (see here, here, and here) but never a medical chronograph (or Doctor's chronograph).  In fact, the only medical …

Imported: 17. Jan 2009 (21:11), Wristwatch News, Reviews, & …

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