MIDO MULTI-CENTER CHRONO STEEL Mido, Swiss, "Multi-Center Chrono," case No. 885518. Made in the 1960s. Fine and rare, water-resistant, stainless steel wristwatch with round button chronograph, tachometer and telemeter. Two-body, polished and brushed, screwed-down case back, dust cover, lapidated lugs Bicolor black and silver with luminous Arabic numerals, outer 1/5th seconds track with 5-seconds Arabic markers, tachometer and telemeter scales. Luminous steel lozenge hands. Cal. 1300, copper color, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating Breguet balance spring, index regulator.