Wristwatch: rare vintage Zenith AF/P ‘Alta Frequenza Precisione’ (High-Frequency

Ca. 35 x 40 mm, very substantial 18K gold case, high-frequency precision automatic movement (the heart of these watches is the Zenith automatic calibre 408 (or related versions). It operates at an extremely high frequency of 36,000 half-vibrations per hour (bph). This ensures the second hand glides extremely smoothly and the watch achieves exceptional timekeeping accuracy; brushed dial with date display, center seconds, original leather strap with original buckle, in working order.

Estimation:-

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