HAMAZAWA 5026A. HAMAZAWA 5026A f=21.600b/Hour 17 Jewels Sweep Second. ASTRAL [ by H. Williamson Ltd. / SMITHS WATCHES / English Watch & Clock Co., Coventry, Salisbury, England; Büren, La Chaux-de-Fonds, Schweiz - Suisse -Switzerland. ].
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