細節
GRUEN. A PLATINUM, ENAMEL AND DIAMOND PENTAGONAL OPENFACE KEYLESS LEVER DRESS WATCH
Signed Gruen Watch Co., Dietrich Gruen, Movement No. 150270, circa 1925
With nickel-finished Precision Extra lever movement, 19 jewels, bi-metallic compensation balance, silvered matte dial with applied Arabic numerals, subsidiary seconds, polished pentagonal case with the bezels and bow highlighted with geometric black enamel, the back centered by a raised diamond-set monogram, case, dial and movement signed
46mm diam.