Movement Architecture and Plate Markings
The item is an uncased open-face movement displaying a nickel three-finger bridge configuration finished with damascening across its plates. Visible components include a balance assembly fitted with a micrometer regulator mechanism, jewel settings, and exposed winding wheels.
The movement plates bear clear factory engravings. Visible inscriptions on the bridges read 'Strand', 'ELGIN NAT'L WATCH CO.', and 'U.S.A.'. Operational specifications engraved on the bridges state '17 JEWELS', '4 POSITIONS', 'ADJUSTED', and 'DOUBLE ROLLER', alongside serial number 19643004.
Evidence for this section
- “Open-face pocket watch movement layout with three-finger bridge plate configuration”
- “Visible barrel bridge and train bridge engravings: 'Strand', 'ELGIN NAT'L WATCH CO.', 'U.S.A.', and serial '19643004'”
- “Additional markings read '17 JEWELS', '4 POSITIONS', 'ADJUSTED', and 'DOUBLE ROLLER'”
- “Balance assembly fitted with a micrometer regulator mechanism”
