Helmut Sinn is the founder of Sinn Spezialuhren.
(image from watchlife.com)
Here is the Helmut Sinn home page:
Helmut Sinn's watch collection is shown here (written in German):
Vintage collectors watches of Helmut Sinn
The watches are for sale (some are already sold). Perhaps as he
approaches his 96th birthday Herr Sinn has wondered what he
will do with all those watches. It is a question we might ask of
Here is the Helmut Sinn page on wikipedia:
Helmut Sinn is featured in a few video clips available on YouTube:
Helmut Sinn - Die Zeitmaschine - Trailer (4:16)
LibelulaX Pro Client (2:39)
LibelulaX Pro Client (4:34)
Here is the link to Helmut Sinn's current watch company:
GUINAND-UHREN Helmut Sinn GmbH
Here is the link to Sinn Spezialuhren:
Helmut Sinn with Jasper Bitter At Jubilar Uhren/Guinand NOV, 2006
(image from classicheuer.de)
JohnF wrote about an evening with Helmut Sinn (20 Oct, 2012).
Read the story and see John's photos. --> An Evening with Sinn...
Helmut Sinn (20 OCT, 2012 photo by JohnF)