CHRONOGRAPH "UNIQUE"
CHRONOGRAPH ÉCOLE D'HORLOGERIE made on 1950’s, case in stainless steel clam shell mm. 35.5, manual winding movement Valjoux 22, the original single authentic, coming from the school of Swiss watchmaking in the canton of Solothurn, belonged to student R. Sieber, plastic crystal, generic strap.
Completely original in excellent condition.
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