Pillar clock, Japan, mid 19th century.

Japan used a system of 6 hours in the day and 6 hours at night, and the length of the hours therefore varied according to the season. The clock therefore has moveable brass markers to adjust for the length of the hours. The Japanese government adopted the 24 hour system in 1873, so this clock probably dates from before this date.

Physical Description

Narrow rectangular wooden case with brass movement at top under glass cover. Drawer at base for key. Calibrated brass strip runs vertically. Weight driven; verge escapement.

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