Impressive cherry case with cherry burl & decorative inlays. 
2 doors of bevelled crystal glass. 
Attractive solid brass column caps. 
Exclusive brass moon dial with hand made "Perpetual Calendar" mechanism (precise calendar & moon phase display until year 2100). 
Applied gold plated decorations & Arabic numerals. 
Day & night indication within the second ring, & second indication & a leap year indication in February. 
270mm lyre pendulum. 

4/4 HSU cable movement with triple chime (Westminster, St Michael & Whittington) on 12-rod gong. 
20 bronze bushings & 12 brass set genuine rubies (fly wheel escapements & anchor pivots). 
Automatic beat adjustment, maintaining power. 
True second & automatic night time shut-off between 10.00pm and 7.15am.