Longines 24 Hours Single Push-Piece Chronograph, a Pilot's watch for the Heritage collection 2026

Michael Goldman
Longines 24 Hours Single Push-Piece Chronograph, a Pilot's watch for the Heritage collection - grandgoldman.com
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A pilot's watch as a piece of distinction, style and personality. Longines presents the latest model in its Heritage collection: The Longines 24 Hours Single Push-Piece Chronograph. A monopusher chronograph, reproduction of a pilot's watch from the 1950s, equipped with an exclusive and numbered caliber.

The Longines 24 Hours Single Push-Piece Chronograph has retained the imposing original diameter - 47.50 mm - as well as the dial with its 24-hour scale in matte black or silver. The steel case has a closed back decorated with the brand's legendary logo. The initial model from which it was inspired was equipped with a caliber initially conceived for a pocket watch and later adapted to a wristwatch. In this case it has a L789 self-winding mechanical movement. This new column-wheel chronograph caliber, developed exclusively for Longines, is an adaptation of the Longines monopusher movement. It offers a chronograph function, indicates the hours in 24-hour format and has a small seconds at 18 o'clock, as well as a date window at the bottom of the dial, at 12 o'clock. It comes with a black or brown alligator leather strap, combined with the color of the dials.


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Longines is the oldest watch manufacturing brand in operation. Its registered visual trademark, without modification, has remained intact according to the archives of the World Intellectual Property Organization.

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Longines 24 Hours Single Push-Piece Chronograph
Longines 24 Hours Single Push-Piece Chronograph

Features of The Longines 24 Hours Single Push-Piece Chronograph

  • Caliber: Monopusher self-winding mechanical movement and column wheel chronograph mechanism. Caliber L789.2 (ETA A08.L21). 131⁄4 lines, 27 rubies, 28,800 alternations per hour.
  • Functions: Power reserve of 54 hours.
  • Case: Hours (on a 24-hour scale), minutes, small seconds, date, chronograph. Steel round, Ø 47.50 mm. Monopusher integrated in the crown. Scratch-resistant sapphire crystal with multiple anti-reflective layers.
  • Tightness: Up to 3 bar (30 meters)
  • Dial: Silver, exterior minute track and 24-hour hour circle, black numbers with Super-LumiNova®. Black, exterior minute track and 24-hour hour circle, white numbers with Super-LumiNova®
  • Hands: Small seconds at 18 o'clock Date window at 12 o'clock. Blued or rhodium steel
  • Bracelet: Brown or black alligator leather with buckle (integrated aviator extension)
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Read next: Best watch strap | Best annual calendar watch | Best watch winder | Best black luxury watch | Best Luxury Watches Men

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Michael Goldman

Author

Michael Goldman

Michael is an award-winning online reporter and content writer with over a decade of experience covering technology, business, and digital culture. His investigative features have been published in leading outlets such as Wired, The Verge, and Forbes, earning him recognition for accuracy and depth.


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