FrontRunners: What Lies Beneath

A. Lange & Söhne’s Lange 1 Tourbillon Perpetual Calendar (www.alange-soehne.com) might be the German brand’s most discreet high-complication watch. With a hidden tourbillon cage, a large digital date display, and an inconspicuous month indicator on the dial’s perimeter, the watch is nearly a dead ringer for the simpler Lange 1. But the platinum version, priced at $342,000 and limited to 100 pieces, also resembles the now-coveted tourbillons A. Lange & Söhne released in the 1990s after the brand’s relaunch. The Tourbillon Perpetual Calendar’s practical features include readable dates, a long power reserve, and a stop-seconds adjustment.

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