Lot Essay
According to the Archives of Audemars Piguet, the present watch was billed to Gübelin in Switzerland in 1929 who most certainly ordered it on behalf of their client Ostertag.
A similar model is illustrated in Ore d'Oro 2 by Jader Barracca, Giampiero Negretti, Franco Nencini, p. 112.
A similar model is illustrated in Ore d'Oro 2 by Jader Barracca, Giampiero Negretti, Franco Nencini, p. 112.