Circa 1890 Boston Clock Co. crystal regulator with a spring driven movement and mercury pendulum. The movement is tandem wind, which means that turning the key one way winds the time train and turning it the other way winds the strike.

seen from Germany

seen from Malaysia
seen from Canada
seen from China

seen from United Kingdom
seen from Germany
seen from Canada
seen from United States
seen from Yemen
seen from United States

seen from Türkiye
seen from Czechia

seen from Malaysia
seen from Russia
seen from Malaysia

seen from Malaysia
seen from China

seen from Maldives

seen from Malaysia
seen from Canada
Circa 1890 Boston Clock Co. crystal regulator with a spring driven movement and mercury pendulum. The movement is tandem wind, which means that turning the key one way winds the time train and turning it the other way winds the strike.