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LONGINES

Longines Ultra-Chron "Crosshair"

Longines Ultra-Chron "Crosshair"

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Brand

Longines

Diameter

37mm

Model

Ultra-Chron

Year

1960 - 1969

Reference

8301-3

Water resistant?

No

Movimento

Automatic

Case material

Steel

Specifications

Caliber 431
Approximate dimensions:
- 41mm (case without crown)
- 42mm (between claws)
- 22mm (bracelet fitting)
- 10mm (thickness)

Description

Vintage piece in excellent condition, showing small signs of use and time

Replacement leather strap and buckle

Watch only, no original box or documentation

The wrist in the photo is approximately 17cm for reference

Learn more

The Longines Ultra-Chron represents one of the most technical and innovative moments in the manufacture’s history, solidifying the brand’s reputation for high precision in the 1960s. The Ultra-Chron line was developed specifically to explore high frequencies, offering superior chronometric performance at a time when the industry was focused on greater stability and accuracy in mechanical movements.

Equipped with the 431 caliber, this model operates at a high frequency (36,000 vibrations per hour), an advanced feature for the period that directly enables more precise and stable timekeeping. It is a robust, reliable, and technically significant movement in Longines’ history, reflecting the brand’s expertise in chronometry—one of the cornerstones of its identity since the 19th century.

Aesthetically, the watch features a silver dial with applied indices and baton hands, enhancing legibility and visual balance. The “Ultra-Chron” designation on the dial highlights the model’s technical character, bringing design and engineering together.

The stainless steel case, with its clean lines and well-proportioned design, perfectly embodies the style of Swiss watchmaking at the time—functional, sophisticated, and timeless.

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Quality

We certify that all watches have been previously evaluated and tested by experienced watchmakers we trust. Therefore, all pieces advertised are authentic and in full working order.

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