Pierre DeRoche Grandcliff Double Retrograde Skyscrapers

Double Tap 6 to Unlock Tap Functions / Single Tap to Lock tap functions.

Centre to Zoom. Multi

Tap Pierre DeRoche logo to temporarily hide minute hand.

3 to adjust Brightness.

9 to toggle Dim - Auto / On / Off.

12 to view Caseback.

Second Hand Battery Reserve in Dim.