Circa 1930s; Circa 1920s
The first: Lot 257, "Property from the Collection of John Lennon and Yoko Ono," Sale 5197, Sotheby's, New York, June 23, 1984 The second: “The Andy Warhol Collection Vol. II: Collectibles, Jewelry, Furniture, Decoration, and Paintings”, Sotheby's, New York, 24-26 April 1988.
The first: Case, dial, and movement signed Howard, chain unsigned; The second: Case, dial, and movement signed Elgin.
尺寸: The first: 42mm; The second: 44.5mm Diameter