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Tissot · T139.836.16.261.00

Chemin Des Tourelles Skeleton 39mm

The escapement in slow motion

Light a part
Tissot Chemin Des Tourelles Skeleton 39mm T139.836.16.261.00
21,600 vph, 3 Hz, 6 beats a second
Speed

One tick

167 ms, slowed to 16.7 s9.5 ms of it in the lift
Step through a beat

Escapement, in the lexicon