A. Lange & Söhne

Here is a pic of my ALS marine chronometer. The first Lange that I owned. You can see the 1815 design of arabic numerals and railway-track seconds scale. Interestingly, the Auf/Ab scale is reverse to the modern iteration of this complication. ...  

Love your 1815 Up/Down. Vte

A wow now this is something I really really love I’m jealous