Chesterfield Anti Magnetic 1/10 Swiss Made Mechanical Wind Up Stopwatch | eBay
Vintage Chesterfield 1/5 sec stopwatch | eBay
Vintage Working Chesterfield 1/10 Antimagnetic Swiss Made Mechanical Stop Watch | eBay
Vintage Chesterfield 1/5 sec stopwatch | eBay
This pristine Chesterfield Dolmy 1/10 stopwatch was a Christmas gift from my father a few years ago. He found it in a junk shop still in the original packaging with the instructions.