1966 Longines Conquest Men's Automatic Watch Cal291 In good working order

We will introduce watches from Longines, a long-established manufacturer founded in 1832.
[Brand Introduction] Longines

This is the "Conquest" automatic mechanical wristwatch made in 1966.
This is a wristwatch with bar indexes, center seconds, and a calendar.
The movement is the "Cal291," which is considered to be Longines' masterpiece of automatic movements.
The overhaul history is unknown, but there are no problems with accuracy or power reserve.

We hope this once-in-a-lifetime encounter will be a special one for you!

[Introduction video]
https://youtu.be/jQCJeeVrA8Q?si=oaJ0I_A2EthpQCNX

【condition】
Appearance: ★★★★☆ Excellent condition with no noticeable scratches or stains

Function: ★★★★☆ Maintenance history unknown but in good working condition (within 5 minutes per day)

-Case: There is some wear over time, but it has been well maintained and is in beautiful condition.
The back cover is screw-on
-Case engraving: The manufacturer's engraving is on the case back and crown.
-Dial: The metal dial has some dirt and aging, but no rust.
- Belt: Replaced with a new, unbranded embossed leather belt
Crystal: The crystal is made of acrylic and has no scratches. Other: The calendar is adjusted by repeatedly setting the time from 9:00 to 1:00.
Accuracy: Within 1 minute per day when measured with a flat timegrapher
Power reserve: Cannot be measured because it is an automatic watch

*The daily difference may vary depending on your posture, so please use this as a reference only.
*Since it is an old item, I do not know the history of parts replacement or repairs.

【detail】
・Brand: Longines
・Year of manufacture: 1966
Movement: Automatic (CAL.291)
・Serial No. 13023032
・Case material: Alloy (stainless steel)
・Case diameter 36mm (excluding crown)
Lug-lug 41mm
・Case thickness 12mm (including crystal)
・Lug width 19mm
Belt: Leather (brown crocodile embossed)

*This is a vintage item and there is no other item that is exactly the same.
※If you have any questions, please feel free to ask.