Sorna, Jacky Ickx Easy-Rider, ref. 2651, a black coated stainless steel wristwatch

Sorna, Jacky Ickx Easy-Rider, ref. 2651, a black coated stainless steel wristwatch, circa 1970, manual wind chronograph movement, 17 jewels, cal. E.B 8420, red dial, baton markers, luminous pointed baton hands, centre chronograph hand, subsidiary dials for constant seconds and 20 minute recording, date aperture at 12 o’clock, snap back, dial and movement signed, on an unsigned black leather strap, width 38mm