1905 British antique JW Benson Ludgate pocket watch, sterling silver open face, in good working order.

Introducing a pocket watch from J.W. Benson, a watchmaker to the British Royal Family.
Benson is a watch manufacturer founded in England in 1840, known for being favored by historical figures such as Jiro Shirasu, and is a very popular brand in Japan.
[Brand Introduction] J.W. Benson

This is an open-face pocket watch with a sterling silver case, and the case engraving indicates it was made in 1905.
The movement is a British-made key-wind type called "LUDGATE."
Benson's script logo is highly popular, and this watch has a simple yet substantial feel characteristic of British timepieces.
It is securely housed in what appears to be its original case.
The overhaul history is unknown, but the balance wheel swings well, and it ticks vigorously.

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

(Explanation Video)
https://youtu.be/XBNID0RTsWg?si=EU2Wyl7ZhRP6ruxP

【Condition】
Appearance: ★★★★☆ Beautiful item with no noticeable scratches or dirt

Functionality: ★★★★☆ Operating well, though maintenance history is unknown

・Case: There is age-related wear, but it is in beautiful condition with no noticeable scratches or dents.
・Case Engraving: Inside the back cover, there are sterling silver hallmarks from the British Assay Office.
・Dial: There is a small hairline near 5 o'clock, but it is barely noticeable.
・Other: The crystal is made of mineral glass and has no scratches or chips.
・Accuracy: Approximately 1 minute daily difference when measured with a timegrapher in a flat position.
・Power Reserve: Confirmed up to 45 hours from a full wind.

　*Daily difference may vary depending on position, so please consider this as a reference.
　*As this is a very old item, the history of parts replacement or repair is unknown.

【Details】
・Brand: Benson (J.W. Benson)
・Year of Manufacture: 1905 (London K)
・Movement: Mechanical
・Mainspring: Key-wind (two holes)
・Time Setting: Key-wind (two holes)
・Serial No.: 18881
・Case Material: Sterling Silver (925/1000)
・Case Diameter: 51mm (excluding crown)
・Case Thickness: 18.5mm (including crystal)
・Weight: 125g

*As this is an antique item, there is no other one exactly like it.
Please feel free to ask any questions if you have any concerns.