"Herman World Time."
Rare world time type Herma. Hand-wound mechanical movement with chrome case and iridescent blue dial crossed by an azure blue band. Baton hands, large Lollipop seconds, date at 3 o'clock. The watch has 3 buttons, the central one for mechanical winding and time setting, the top one activates the gray inner crown on which are inscribed the major cities of the world, the bottom one activates the minute bezel. Near new condition. Rally type leather strap. 
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TRÉSORS Magazine
Rivista Artiquariato