JoinSign in
New moon

Watch news and tools for
collectors and the curious.

Louis Erard · 85237AA32.BVA36

Régulateur Aventurine

The escapement in slow motion

Light a part
Louis Erard Régulateur Aventurine 85237AA32.BVA36
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