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Functions – indication of time in hours and minutes, small seconds at 9 o’clock, chronograph with central seconds hand, 30-minute counter at 3 o’clock and 12-hour counter at 6 o’clock. Caliber 146HP, hand-wound, column wheel, lateral clutch, flat hairspring. Matte black dial, sub-dials with fine circular grooves, white markings, dark grey hands, tritium luminous dots in hour index positions, tachymeter scale. Case made of black PVD-coated metal, highly likely stainless steel, diameter 41mm, solid-steel caseback, stainless steel chronograph pushers and winding crown.
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Hand-wound chronograph movement, with a column wheel chronograph, simple index with a mobile balance-spring-stud-holder, Glucydur balance wheel with a flat spiralĪ highly rare, impressive and collectible black PVD-coated chronograph wristwatch prototype of the famous Swiss watch brand Zenith, founded in 1865. Black PVD coated case, with a stainless steel caseback, round stainless steel chronograph pushersīlack rubber strap, with a original stainless steel pin buckleīlack dial with luminous hour markers, white Arabic numbers, Tachymeter scale, 3 sub-dials, 30 minutes at 3 o'clock, hour counter at 6 o'clock, small seconds at 9 o'clock, chrome-plated hands
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