Universal Genève Aero-Compax 22286, 40s Stainless steel round case, n.1068491, rectangular pushers, duck beak lugs. Argenté dial, luminescent arabic numerals, indication of memo time and chronograph counters. Hand-winding movement, cal.283. Leather strap. Size: 33 mm. Notes: This watch is published on page 309 of the book "Universal Watch Genève" by Pietro Giuliano Sala.