iwc Ingenieur Chronograph Mode D'emploi page 19

Key to the Ingenieur Chronograph
5
1
4
3
1 Hour hand
2 Minute hand
3 Seconds hand
4 Chronograph seconds hand
5 Minutes counter
6 Start-stop button
7 Reset button
8 Tachymeter scale
9 Screw-in crown
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6
2
9
8
7