These Pie Pan models are quite elusive in this reference, this is my very first one. The condition is quite cool, with its unpolished case and rose gold accents. The watch is all original and looks similar to a disco volante with its hidden crown. 
 
Details:
 
Brand: Omega 
Model: Constellation
Reference: 168.004
Year: 1966
Material: Stainless Steel
Dimensions:  35mm
Crystal:  Plexiglass
Movement: Automatic Cal 561
Bracelet/Strap: Rios1931 Leather Band 
Box/Papers: No/No