This is a very good example of an antique solid Silver Pocket Watch. 
The white Face that has bold black Roman Numerals and gold colour hands with a separate seconds sub dial, it is free from Hairline Cracks 
The 160+ years old chain driven Fusee movement, is key wound and Set with the key supplied, it winds well, runs strongly and keeps time.
The solid silver Case, with an attractive Cartouche to the Back Cover is in very good condition, all catches and hinges operating correctly, is prominently hallmarked for Chester 1862 and Silver Smith NW, it measures 52 mm dia, approx. excluding the Crown and Loop

A lovely old Pocket Watch, in full working order