Thomas Mercer 2 day  No 27212


1969 model from the last surviving English chronometer maker.  Thomas Mercer set up making chronometers in 1858, his firm moved from Clerkenwell to St Albans in 1912 becoming the largest and most successful manufacturer, run by three generations of the family until 1982. This instrument represented the top of their range in a fine mahogany brass bound box with traditional fully spotted movement using Earnshaw's spring detent escapement with compensated balance and palladium helical balance spring.