New moon

Watch news and tools for
collectors and the curious.

Jacob & Co. · SN810.30.AB.AB.A

Mystery Tourbillon 44MM Tsavorites and White Diamonds 44mm

The escapement in slow motion

Light a part
Jacob & Co. Mystery Tourbillon 44MM Tsavorites and White Diamonds 44mm SN810.30.AB.AB.A
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