Lange’s simplest watch has a beauty that lives in the details. Last week for A Watch A Week, we took a look at a Lange 1815 Rattrapante Perpetual, which is one of the most complicated watches Lange has ever made. This week, we’re going to take a look at a variation on the simplest watch

The new movement is a modern workhorse caliber, cased in a classic design from the 1970s. In 1975, Girard-Perregaux introduced a watch that was part of the first generation of luxury stainless steel, integrated bracelet sports watches – but with a couple of significant differences. The first was that the launch model wasn’t straight stainless