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Jacob & Co. · AS310.21.SP.AA.A

Astronomia Solar Zodiac Black DLC Titanium and Sapphire

The escapement in slow motion

Light a part
Jacob & Co. Astronomia Solar Zodiac Black DLC Titanium and Sapphire AS310.21.SP.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