Dugena Chronograph C.1970s 2 in 1

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

12 to adjust Brightness

Dugena logo to toggle faces

Center to Zoom

RH Sub Dial to Start / Pause Stopwatch - Double Tap to reset. All hands park clear of subdials and revert when finished.

9 to toggle Dim - Auto / On / Off

Chrono Hand Battery Reserve in Dim