Longines ref. 6393-6

The watch is powered by the in-house Longines Calibre 23.ZS manual-wind movement, introduced by the brand after World War II. The caliber features a central seconds hand, 17 jewels, operates at a frequency of 18,000 vibrations per hour, and offers approximately 44 hours of power reserve.

The movement is equipped with an anti-shock system and anti-magnetic protection, essential features for high-end watches from this period.

• Movement: Longines Calibre 23.ZS, 10.5''' line
• Movement type: mechanical, hand-wound
• Functions: hours, minutes, central seconds
• Number of jewels: 17
• Operating frequency: 18,000 vibrations per hour
• Power reserve: approximately 44 hours
• Movement diameter and height: approximately 23.69 mm and approximately 4.6 mm
• Lift angle: 46 degrees
• Case: gold-plated stainless steel, round
• Case diameter: approximately 34 mm excluding crown, approximately 36 mm including crown
• Case thickness: approximately 9 mm, lug to lug: approximately 38 mm
• Case back: screw-down
• Crown: original, unsigned
• Crystal: hesalite / acrylic
• Strap or bracelet: as shown in product photos

The case is made of stainless steel and then gold-plated. It features a classic, round shape and elegant proportions characteristic of 1950s watches. The diameter is approximately 34 mm excluding the crown, about 36 mm including the crown, the thickness is approximately 9 mm, and the lug-to-lug dimension is about 38 mm.

The watch features a screw-down case back and an original, unsigned crown. The crystal is hesalite, typical for vintage watches. The dial has a classic layout with a central seconds hand, resulting from the use of the 23.ZS movement.

The watch is mounted on a brown leather strap. The detailed appearance of the strap, its condition, and its fit to the case are shown in the product photos.

Ref. 6393-6 is a classic Swiss vintage watch from 1959, as confirmed by its serial numbers. The gold-plated case and elegant proportions are typical of watches from the late 1950s.

An important element of this model is the brand's in-house movement. Caliber 23.ZS is highly valued by vintage watch enthusiasts and holds an important place in the post-war development of Longines movements. It is responsible for the classic dial layout with a central second hand.

This is an interesting proposition for those looking for a classic vintage Longines with an in-house movement.

The watch is a pre-owned, vintage piece. It may show natural signs of age and wear. The detailed visual condition is shown in the product photos, which are an integral part of the description.

The piece features an original, unsigned crown and a screw-down case back. The year of production has been determined based on the serial numbers. The appearance and condition of the strap or bracelet are shown in the product photos.

The scope of the set corresponds to what is shown in the product photos.