Origins and period
Besançon, France
Founded by Henry Louis Belmont in 1948
Abbady Watches A–Z archive · Research page
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Besançon, France
Founded by Henry Louis Belmont in 1948
French watchmaker Henry Louis Belmont founded Yema in Besançon in 1948. The company became known for purpose-designed sports watches connected with diving, motor racing, aviation, sailing, polar exploration, and French space missions.
Superman dive watches, Rallygraf, Yachtingraf, Flygraf, Wristmaster, French space watches, and modern French movement development.
Calibres, escapements, case construction, water resistance, electronic or quartz development, manufacturing methods, patents, and specialist suppliers.
Service considerations, originality, replacement parts, water-resistance assumptions, safe storage, and details that should be documented before restoration.
Official manufacturer history, museum or archive sources, technical sheets, books, catalogues, advertisements, image credits, and provenance notes.