Case size: 40 mm
Material: steel
Movement: manual, caliber Valjoux 7732
Year: circa 1968
Crystal: plastic crystal
Bracelet: leather strap
Reference number: 7863T (Autavia 30 Dato)
Serial number: 138573
Case number: 7863
Improvements on dial.
Please keep in mind that an overhaul might be needed, since no service history is available.
Heuer introduced the Autavia reference 7863 in 1968 and it was the first Autavia with the date function.