New moon

Watch news and tools for
collectors and the curious.

Tissot · T149.462.11.011.00

PR516 41mm

The escapement in slow motion

Light a part
Tissot PR516 41mm T149.462.11.011.00
28,800 vph, 4 Hz, 8 beats a second
Speed

One tick

125 ms, slowed to 12.5 s7.1 ms of it in the lift
Step through a beat

Escapement, in the lexicon