Fifteen years ago, Germany’s A. Lange & Söhne released its first Lange 1 Time Zone, one of many variations on the classic Lange 1, which led the Saxon manufacture’s inaugural collection in 1994. The watch, containing the in-house Caliber L901, was Lange’s first with a dual time-zone indication. For the model’s newest incarnation this year, the company equips it with a new in-house movement and improved functionality with the added daylight savings time indication.

The new Lange 1 Time Zone is available in three precious-metal cases.

The watch retains its generous case dimensions of 41.9 mm in diameter and 10.9 mm thick, as well as all the key elements of its asymmetrically designed dial: the main time display on the large subdial at 9 o’clock, a second time zone displayed on two hands in 12-hour format on the smaller subdial at 5 o’clock; Lange’s hallmark “outsize” date in a framed double window at 2 o’clock; a power-reserve indicator spanning the arc between the previous two features, and surrounding it all, the switchable city ring that allows for easy setting of the second time zone.
Lange 1 Time Zone in Yellow Gold (Ref. 136.021)

New on this updated version are the day-night indicators for both home time and local time, now represented by ring-shaped indicators in the center of the subdials rather than the rotating arrow hands on the original model. Composed of blue-printed semicircles (one fo...