A substantial engineer-built weight-driven timepiece movement

A substantial engineer-built weight-driven timepiece movement, unsigned, 20th century
With thick plates measuring 11 by 7 inches united by four double-screwed pillars enclosing four wheel train with large diameter greatwheel and barrel incorporating double clicks to the winding ratchet, high pinion counts and anchor escapement with hardened steel pallets; with pendulum suspension spring and bob, pair of substantial pulleys and a crank winding key.