Vintage German Cuckoo Clock Wood Carved Chalet Waterwheel Men Saw and Chopping

Vintage German Cuckoo Clock Wood Carved Chalet Waterwheel Men Sawing and Chopping all parts are in excellent condition no cracks or chipping nothing missing except for 2 hooks for weights, includes weights and pendulum. Inside is very clean mechanism is free and moves Will need servicing/adjustments bellows are complete will need new paper on Bellows I just do not know anything about cuckoo clocks and how they work would be a great addition to your collection.