speedmaster - OMEGA Watches

speedmaster - OMEGA Watches
SPEEDMASTER
MOONWATCH PROFESSIONAL 42 MM
Steel on steel
Caliber
1861
3570.50.00
c Manual
Z Tachymeter
E 2-year International Warranty
M Water-Resistant to a relative pressure of 5 bar (50
metres/167 feet)
WATCH FUNCTIONS
The crown has 2 positions:
1. Normal position (wearing position): when the crown is positioned against the
case, the crown ensures that the watch is water-resistant.
Winding: turn the crown forwards until it stops (DO NOT OVERWIND).
Note: do not wind the watch more often than is necessary. For a watch that is
worn all the time, a single winding each day will ensure that it functions correctly.
2. Time setting: hours – minutes – seconds. Pull the crown out to position 2. Turn
the crown forwards or backwards. Synchronise the seconds by pushing the crown
back to position 1 to coincide with a given time signal.
Note: The calibre does not have a ’stop second’ mechanism. To synchronise, the
crown should be gently turned backwards and pressure maintained to stop the
seconds hand. Release when the display corresponds to the timing signal and
push crown back to position 1.
CHRONOGRAPH FUNCTIONS
• Pusher A: start – stop, start – stop, etc
Timing to 1/6 of a second for up to 12 hours.
• Pusher B: reset (after a stop).
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TACHYMETRIC SCALES
The desired information is read between the central seconds hand of the
chronograph and the corresponding scale, over a maximum duration of 60
seconds.
Example: calculating the speed of a car.
Record the time the car takes to cover a distance of 1 kilometre. Read off the
tachymetric scale the speed indicated by the central seconds hand. In this case,
the car is travelling at 120 km/h.
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