Other Information: Retrograde Chronograph movement 3 Eyes; @ 3, 6 and 9 o' clock position. 1/10 sec / 10 hr marker @ 3, small secs marker @ 6, 30 min marker @ 9 o' clock position. Big date calendar @ 6 with quick change feature and Day Retrograde marker @ 12 o' clock position. 13 Jewels, gold plated, Swiss made.