Longines Platinum and Diamond Open-face Watch

Description:

Longines Platinum and Diamond Open-face Watch, diamond-encrusted roman numerals inset into a black lacquered ground, silvered center with applied dot minute markings, blued-steel syringe-style hands, and marked "Longines," 17-jewel, stem-wind, stem-set movement marked "Longines 1588407," snap-back case no. 7574, dia. 40 mm, 44g.
Estimate $600-800

currently winding setting and ticking,