View single post by Johnny P
 Posted: Fri Jan 23rd, 2009 08:21 pm
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Johnny P



Joined: Thu Nov 3rd, 2005
Location: USA
Posts: 1783
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 What are Sapphire Crystals?

http://www.timetechtalk.com/view_topic.php?id=6498&forum_id=1

 

Helium release valve (HRV) do you really need one?

http://www.timetechtalk.com/view_topic.php?id=6464&forum_id=1

 

ETA SWISSL@B Training Centre


2892 Automatic 

7750 Chronograph 

6497 Manual

ETA 251.471   http://www.eta.ch/swisslab/251471/251471.html

ETA 205.911  http://www.eta.ch/swisslab