MATHEY TISSOT TYPE XX STEEL
Mathey Tissot - Type XX - Flyback Chronograph case No. 265221.
Made in the 1960s.
Fine, water-resistant, stainless steel aviator's wristwatch with round
button chronograph and register.
Three-body, polished and brushed, screwed-down case back,
graduated bidirectional revolving bezel, dust cap.
Black with painted luminous Arabic numerals, outer minute/
seconds track, subsidiary seconds and 30-minute register dials.
Luminous white baton hands.
Cal. 22, gilt brass, 21 jewels, straight-line lever escapement,
monometallic balance, shock absorber, self compensating flat
balance spring, index regulator.