Waterfall Antiques has dated this piece to the 1910s.
All the hand-adjustable rollers that change the day of the week, the date, and the month, are in perfect working order. This lovely early 20th century 12” diameter example is English, dating from 1900 to 1920.
Waterfall Antiques has dated this piece to the 1910s.
You can view the stock and full dealer information on the Waterfall Antiques Profile Page