Dear Mr. Engels, 

Thanks for your message. Here are the details from our archives : 

OMEGA - Speedmaster Professional "moon watch"
Movement # : 24'967'047
Calibre : manual winding chronograph movement of cal. 321 - 17 jewels
Watch reference : ST 105.003
Case : round stainless steel - diameter 40 mm
Water resistance : tested to 30 meters (when new!)
Size between case lugs : 19mm
Glass : armoured hesalite
Dial : black mat luminous dial and white luminous "stick" hands
Production and delivery : not available 

Please note that ref. 105.003 has been replaced by ref. 145.003 since 1966 with no change of the watch features. 

Best regards. 

Jean-Luc Miranda, Vintage Information, for : 

John R. Diethelm
Omega Ltd - vintage information
96, rue Stämpfli
CH - 2500 Bienne 4
phone : ++41 (0)32 343 9271
fax : ++41 (0)32 343 9870
e-mail : JohnR.Diethelm@omega.ch