LONGINES Flagship 17Jewels Automatic.

Welcome to my auction!
I am Japanese who live in Tokyo.

Item description

It's a LONGINES Automatic Watch, Flagship 17Jewels .
It's in good used condition.
It's difficult to find this valuable watch in such a good condition. Highly recommended for LONGINES collectors!
Movement :
  • Caliber number : 345.
  • Movement : Automatic.
  • Beat rate : 19800bph.
Externals :
  • Serial number : 13770277.
  • Dial number : SWISS MADE.
  • Glass : Acrylic.
  • Case size : About 35.2mm.
  • Lug width : 18mm.
  • Band : Wrist size that can be worn is Up to about 218mm.
Condition :
  • Used, it runs well.
  • Set of the date : Iteration the hour hand at 10:00 and 1:00
  • The day difference time of an used watch is about +-1 minute / day.
  • Overhaul service in June 2025.
    The movement has been cleaned and oiled, so it works fine.
Key Features
  • The Flagship Line: The **Longines Flagship** series was first introduced in **1957**, quickly becoming one of the brand's cornerstone models, positioned as a prestigious, high-quality dress watch. It succeeded the earlier Conquest line in terms of elegance and thinness.
  • The Era of Automatic Movements: This 17-jewel automatic model typically dates back to the late **1950s or early 1960s**. At that time, automatic winding was a major selling point, and the 17-jewel count was common for robust, reliable mid-range movements before higher jewel counts became the norm.
  • Movement and Caliber: These watches often featured reliable Longines in-house calibers such as the **Caliber 340 series** or similar automatic movements. These calibers were known for their quality, though they did not yet feature the high-beat rates of later decades.
  • Design and Caseback: A defining characteristic of the Flagship is the **iconic enamel ship medallion** on the caseback, representing its name and symbolizing reliability and tradition. The watch case itself embodies the mid-century aesthetic: elegant, thin, and often featuring polished, simple lines.
  • Historical Context: The Flagship helped establish Longines' reputation during the mid-20th century, a golden age for Swiss watchmaking. It successfully combined the convenience of an automatic movement with a timeless, elegant design suitable for a sophisticated international clientele.
    • For more information, please look at the pictures.
    Notes
    • Before buying.
      The vintage watches we sell are inspected and adjusted so they work fine. However, since it is an vintage watch, Please purchase on the assumption that it will be repaired.

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