Hamilton 14kt White Gold and Diamond "921" Open-face Watch

Description:

Hamilton 14kt White Gold and Diamond "921" Open-face Watch, applied ruby and diamond arabic numerals, outer diamond minute track, sunk seconds, and diamond-encrusted hands, 21-jewel, stem-wind, stem-set, 921 movement, dia. 44 mm, 58g.
Estimate $400-600

currently winding setting and ticking, appears to have some diamond loss to hour hand, imperfections on dial.