Nivada, Grenchen, a rare TDBK wrist chronograph, 17 jewels, automatic winding, rhodium plated Kelek cal.1369 movement with lever escapement in a stainless steel tonneau case with leather strap, blue dial with hour and minute registers at 12:00 and 3:00, constant seconds at 6:00, and date display at 9:00, luminous white painted baton hands, 37mm x 38mm

CASE: Unpolished; Minor dings and fine scratches; Case back with scratches and adhesive residue; Acrylic crystal with scratches. DIAL: Minor loss to blue, poorly touched up. HANDS: Good. MOVEMENT PLATES: Very fine scratches on plate. MOVEMENT FUNCTION: Running order (winds, sets and ticks). COMPLICATION: Functions properly. The Kelek caliber 1369 was the smallest automatic chronograph movement when introduced in 1974, but reliability problems put an end to production after the manufacture of 23,000 movements.