Longines Ultra-Chron Automatic – 36,000 BPH | 1970s
An authentic example from an era when Longines redefined mechanical precision in an elegant and discreet package.
This model represents one of the brand's most significant technical achievements – a true high-beat watch, created for performance, yet maintaining a classic aesthetic.
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✦ Key Details:
• Longines Ultra-Chron automatic movement (cal. 431) – high-beat 36,000 vibrations/hour (5Hz) 
• One of the first generations of mass-produced high-frequency automatic watches (launched starting in 1967) 
• Stainless steel case, 70s-specific cushion design
• Diameter: 34 mm (without crown) – classic, elegant proportions
• Original crystal + original signed crown
• Silver dial, with applied indices and date at 3 o'clock
• Case back engraved "Ultra-Chron"
• New, handmade ostrich leather strap
• Full original Longines box set
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✦ Condition:
The watch is in good, completely original condition – an essential aspect for collectors.
The complete set (box + correct timepiece) puts it well above the market average.
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