Here's a classic. Omega Seamaster De Ville series is an iconic series of dress watches that never go out of style. The watch has a low profile and therefore slips easily and effortlessly under the shirt sleeve. 
 
This model is made in a gold case, has a date function and is vintage at its very best.
 
Brand: Omega
Model: Seamaster De Ville Date
Material: Gold capped
Vintage: 1960s.
Movement: Manual
Diameter: 34 mm without crown