6 août 2016
Gem-set and diamond bracelet/wristwatch, Ostertag, circa 1930
Lot 473. Gem-set and diamond bracelet-wristwatch, Ostertag, circa 1930. Estimate 95,000 — 140,000 CHF. Lot sold 206,500 CHF. Photo: Sotheby's 2012 The straps set with meandering vines of carved emeralds, sapphires and rubies, accented with marquise-shaped,...