A classic aviator's watch, with a Herbertz "Top Collection" folding knife. Older photo, dug out from the archives...
BTW, as the knife is single-hand operated and locking, it may not be carried under German weapons laws.
The watch is a monopusher, meaning the stopwatch functions "Start", "Stop" and "Reset" are all performed by one single pusher.
The movement is based on an ETA 7750, modified by Hanhart for the monopusher arrangement and relocation of the stopwatch minutes counter.
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