George Oram & Son 8947 Fusée and chain movement with key setting and winding and English lever escapement. Full movement, notice the two chatons where the key can be used to set the time or wind the watch Focus on the impulse pin and hairsping attachment Focus on the balance screws Balance with a focus on the regulator Focus on the balance cock decoration Balance wheel removed Lever bridge removed showing the English lever escapement Notice that with an English lever, the balance pivot, lever pivot and escape wheel pivot form a 90 degree angle rather than being in a straight line English lever escapement English palet lever The escape wheel teeth have a different shape as those of a Swiss lever escapement Barrel bridge removed showing the fusée and chain Chain around the mainspring barrel Focus on the chain Fusée with the chain snailing around it Focus on the fusée The chain making its way up the fusée to maintain a stable force Mainspring barrel and fusée removed Fourth wheel Side view of the fourth wheel Third wheel Centre wheel Empty main plate Dial Blued hands Blued hands Dial side of the movement Hour wheel Cannon pinion Minute wheel Wheels removed Focus on the mainspring barrel click Different angle of this elegant design Engraving Watch number Chaton around the key setting mechanism