Included strap — Alligator strap · steel buckle · Negro
“A chronograph conceived to measure the time of the universe, beneath a vast sky strewn with stars”
— The Aurora Manifesto · The instrument of the mindful explorer
What we know about the 421, stated plainly. And what is not yet settled, stated just as plainly
A 42 mm round case beneath a double-domed sapphire crystal that returns the light like the lens of an optical instrument. Two pushers command the chronograph; the knurled crown bears the engraved emblem, while the case side carries a screwed plaque with the name of the expedition. Nothing is superfluous and everything reads at a glance, in the mountains, on the track or in the city
Absolute black across dial, sub-dials and case. The white scales and numerals read like a star chart, while the red chronograph seconds hand beats like a pulse in the darkness: the most nocturnal dial in the series
José de Bustamante y Guerra commanded the corvette Atrevida and was technical mastery made flesh. Night after night he ensured that the marine chronometers and astronomical calculations were flawless, for on them depended whether a map told the truth. The Observación Estelar is made for those nights: the black of an open sky, scales as white as stars and a red seconds hand beating in the darkness
