• Brand: Longines
• Model line: Ultra-Chron
• Movement: These watches housed high-beat automatic movements (36,000 vibrations per hour), which was a premium feature in the 1960s–1970s.
• Dial: Champagne dial with applied indices and Arabic numerals, date at 3.
• Case: Gold-plated or gold-filled (judging from wear), round/tonneau style.
• Bracelet: Matching gold-tone jubilee-style bracelet (probably aftermarket, but period correct).
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📅 Era
The Ultra-Chron line was introduced in 1967 and continued through the 1970s.
Your example looks like late 1960s to early 1970s production.