Tissot, Astrolon, circa 1971 A rare ultra-light... Lot 503

Tissot, Astrolon, circa 1971 A rare ultra-light plastic watch with a transparent dial and visible balance wheel, Arabic numerals and central second hand. Avant-garde design at the time which was not commercially successful, but already foreshadowed the advent of the disposable watch and the success of the Swatch of the Swatch twenty years later Dim 45x39 mm A rare all plastic ultralight wristwatch, transparent dial, visible balance, Arabic numerals & sweep center seconds Manual winding movement Avant-garde concept at the time that will not meet much commercial success, but already prefigures the Swatch phenomenon twenty years later