Invincible retro 1970s self winding men’s watch

This is a beauty. Very impressive retro 1970s yellow gold toned invincible self winding men’s watch. 36 mm excluding crown and 40 mm cushion style case stainless steel case back Japan. Automatic self winding movement with date features attached to a lovely vintage tradition model stretch bracelet in 10 karat gold filled and steel.Unique champagne colored deal with radiant vertical textured center. Overall condition is very good for age with normal where to case with minor scratches to Crystal. Currently running and keeping time. Future accuracy is not guaranteed. No returns on time pieces. Thank you for looking at my men’s jewelry box and free gift of course to everybody who orders from me as well