iwc INGENIEUR PERPETUAL CALENDAR DIGITAL DATE-MONTH Operating Instructions Manual page 10

— 1 8 — — 1 9 —
Aggregate timing: You can add recorded times together
CROSSING TIME ZONES AND THE INTER-
by pressing the start/stop push­button again after the first
NATIONAL DATE LINE WITH THE INGENIEUR
measure ment instead of the reset/flyback push­button.
PERPETUAL CALENDAR DIGITAL DATE-MONTH
–11 –10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12
INGENIEUR PERPETUAL CALENDAR DIGITAL DATE-MONTH INGENIEUR PERPETUAL CALENDAR DIGITAL DATE- MONTH