Atelier – Mechanical Watch

Atelier puts a working mechanical watch movement in the palm of your hand.

The hands, the gears and the balance are not decorative animation. The mainspring's torque runs through the gear train, the escapement counts out the balance's beats, and the hands advance as a result. Everything you see comes from the state of one mechanism.

■ Driven by the real mechanism
• 28,800 beats per hour: the seconds hand steps eight times a second
• Turn the crown to wind the mainspring and watch the click ride over the ratchet wheel tooth by tooth
• As the spring runs down, the balance's amplitude falls until it stops
• Measure rate, amplitude and beat error on the timegrapher

■ A movement that assembles itself
• On the first launch, parts go onto the main plate one by one until the watch starts to keep time
• The remaining chapters (the motion works, the dial and hands, and the case) arrive as the balance beats
• Trace lets you scrub through the disassembly and assembly with your finger, as often as you like

■ Choose your view
• Back, angled, dial side (open heart) and a close-up of the escapement
• Take the bridges off to see through to the gear train

■ Logbook
• The click, the full wind, setting the hands, running down… the phenomena you discover by touch are kept in the Logbook

■ Modules (in-app purchases, one-time)
• Automatic winding: the rotor turns as your iPhone moves and winds the mainspring
• Power reserve: a hand shows how much wind is left
• Minute repeater: strikes the time on the hands with hammers and gongs
• Build Now: delivers the remaining chapters at once

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