A mechanical watch built in code to the millimetre, running at four hertz in a browser.
Listening to the Escapement
Drag to turn the watch. Point at a screw: eight of them, in plain sight. Drag sideways and the light runs along the satin in a soft band and snaps across the bevels in a line. Move the light across the Petite Tapisserie, a pyramid every 0.95 mm, computed per pixel. Wind the mainspring. Then the history, drawn rather than photographed: Le Brassus in 1875, the quartz year, one night in 1970, Basel in 1972, five houses, fifty years.
Eight Beats a Second
Calibre 7121 was made for the Royal Oak's fiftieth year, in 2022. The balance swings four times a second each way; every pass through its centre, the pallet fork lets the escape wheel forward by half a tooth, and the whole train steps behind it. We cut our train to the ratios a 4 Hz movement must have. Hold to slow time, take it apart, watch the thirty-three jewels light one by one, and hear 2.75 Hz against 4 Hz.
Audemars Piguet and Royal Oak are trademarks of Audemars Piguet. A concept by Exe.Eyes Labs. Not affiliated. History: Audemars Piguet Heritage, "Birth of an Icon" (AP Chronicles, 2022); Wikipedia. Map: OpenStreetMap contributors.
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