The Collaborative International Dictionary
Stem-winder \Stem"-wind`er\, n.
A stem-winding watch. [Colloq.]
Hence: (Fig.) Anything of superior quality, as was attributed to the stem-winding watch; -- esp. used to describe a stirring speech, as in the phrase ``a stem-winder of a speech'' or ``delivered a stem-winder''.
Douglas Harper's Etymology Dictionary
Wiktionary
n. 1 A watch that is wound up by turning a small knob (at the stem) 2 (context US English) A rousing speech, especially by a politician 3 (context US English) Someone who gives such speeches, a great orator. 4 (context US proscribed English) An boring, interminable speech. 5 (context US obsolete English) Top-notch, first-rate.
WordNet
n. a watch that is wound by turning a knob at the stem
Usage examples of "stem-winder".
I noticed his watch: it looked like the big old vest pocket stem-winder kind, but strapped to his wrist somehow.