Start of production 1972.
In N.O.S. condition with full length strap 22 mm.
Hard to picture because of the blue reflection dial and bolded original glass.
Mint dial and hands.
Case ref: 170 T 10-73
Quick date setting and complete serviced as usual.
A real big beauty!
Size 38mm including the signed crown.
Original integral bracelet without stretch.
A model far ahead of their time!