The latest entry in the Lange 1 saga is the Lange 1 Tourbillon Perpetual Calendar “25th Anniversary,” the fourth of 10 models celebrating the Lange 1’s anniversary this year. Produced in white gold with blue steeled hands and limited to just 25 pieces, the Tourbillon Perpetual Calendar features the same arrangement that was first used on a similar model from 2012: a rotating peripheral ring indicates the month while a retrograde day-of-the-week display takes the place of a power-reserve indicator. A small aperture at 6 o’clock indicates the leap year, while a moon-phase display accurate to 122.6 years is integrated into the sub-seconds dial.
In addition to the perpetual calendar, the automatic calibre L082.1 movement features a tourbillon with 60-second period and patented stop-seconds mechanism. Lange is famous for high-end, no-holds-barred type of watchmaking — beautiful and highly detailed, it certainly doesn’t come cheap, as the Lange 1 Tourbillon Perpetual Calendar “25th Anniversary” will retail for $335,800.
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