【basic information】
Brand: HAMILTON Hamilton
Year of manufacture: Early 1900s?
Movement: manual winding (17 jewels), 926
Case type: open face
Case material: gold plated
Case size: Approximately 55mm (excluding crown), 18s
Case thickness: about 16mm
Weight: about 126g
Time adjustment: Lever set
Country of Manufacture: USA
Accessories: None

【Condition】
working product

With the time grapher app measurement
The day difference was about -3 minutes and 30 seconds