Brand: Audemars Piguet

Model: Royal Oak Equation of Time Ref. 26603OR

Movement: mechanical automatic-winding calibre 28-255C

Functions: date, hours, minutes

Features: original black ridged dial, hands aged by Patek Philippe, accompanied by orig
inal handset

Case: 42mm stainless steel

Crystal: sapphire

Bracelet: 3700/001A stainless steel bracelet

Year: 1977 (manufacture) – sold in 1979