Cross Antiques has dated this piece to the 1750s.
Unusually for a 30hr clock it has a working date indicator.

The case is a bit on the "country" side and needs a bit of tidying up. The base needs gluing and some time in the past the depth of the case has been increased.
The clock is running and keeping good time
The maximum dimensions are:
198cm(78") high
49cm(19") wide
28cm(11") deep
Free local delivery and set up (40mls), national and international delivery arranged at cost.
Cross Antiques has dated this piece to the 1750s.
Specialist in clocks
You can view the stock and full dealer information on the Cross Antiques Profile Page