Rotating bezel on watch to calulate 'Keyfigures'. Help needed.

Gerard Nijenbrinks
April 30, 2005
Rotating bezel on watch to calulate 'Keyfigures'. Help needed.

I’m looking for help on the calculating function of this very rare and interesting full-calendar watch.

Van Hattum

To keep the discussion central, please comment at the Watch-Rap forum at The Purists, where I posted this as well: Please click here for the link to the original post.

Thanks for your help,


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Gerard Nijenbrinks
About the author

Gerard Nijenbrinks

Gerard has been in the watch industry for over two decades now. He owned a watch shop in The Hague, The Netherlands, and besides that he has journalistic and photographic activities in the field of watches. Collecting watches since he... read more

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