(EN) (PDF) – Illustrated Glossary of Watch Parts | timezone.com

“TimeZone Watch School Illustrated Glossary of Watch Parts by Walt Odets:

THE TOP PLATE
THE BOTTOM PLATE
THE KEYLESS WORKS
Winding
Automatic Winding: The ETA Caliber 2842
Automatic Winding: Bi-Directional Winding
Automatic Winding: The Jaeger LeCoultre Caliber 889/2 Switching Rocker
Patek Philippe caliber 240-PS
THE MOTION WORKS
The Cannon Pinion, Hour Wheel, Minute Wheel and Wheel Pinions
THE BALANCE ASSEMBLY
The Balance Wheel: Amplitude
The Balance Cock and Balance Assembly
The Balance Wheel in Detail
A Smooth Glucydur Balance
The Adjustable Mass Balance
The Regulator, Curb Pin and Boot
The Regulator, Spring Stud, and Anti-Shock Mechanism
The Anti-Shock Mechanism
The Balance Spring Collet and Overcoil
The Balance Staff
THE ESCAPEMENT
The Escapement: The Banking Pins
The Escapement: The Entry Pallet
The Escapement: The Exit Pallet
The Escapement: The Exit Pallet During Impulse
The Escapement: The Exit Pallet During Locking
The Escapement: The Pallet Lever Geometry
The Escapement: The Pallet Lever
The Escapement: The Pallet Lever Safety Pin
The Escapement: An Illustrated Explanation of Function
THE MAINSPRING AND BARREL
The Click
The Click and Related Parts
The Mainspring of an Automatic Winding Watch
THE WHEEL TRAIN
The Center-Seconds Gear Train: The Fontainemelon Caliber 97
The Conical Pivot and Jewel
The Cylindrical Pivot and Jewel
Wheels and Pinions
SCREWS”