New moon

Watch news and tools for
collectors and the curious.

Jacob & Co. · EX100.43.BF.AA.A

Epic X Baguette Yellow Sapphires

The escapement in slow motion

Light a part
Jacob & Co. Epic X Baguette Yellow Sapphires EX100.43.BF.AA.A
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