Do you have a question about the Sinn 900 Series and is the answer not in the manual?
Instructions for winding the watch using crown position 1.
How to set the time using crown position 3.
Guidance on setting the date using crown position 2, with time restrictions.
Details of the watch's mechanical movement, including calibre and jewels.
Information on the watch case material, crystal, water resistance, and dimensions.
Details specific Sinn technologies integrated into the watches.