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Hamilton Khaki Automatic X-wind - Crosswind Calculation: Drift and Bearing; Calculating Angle of Drift; Calculating Corrected Bearing; Watch Maintenance and Recommendations

Hamilton Khaki Automatic X-wind
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© HAMILTON 2005 / KHAKI AUTOMATIC X-WIND 98 © HAMILTON 2005 / KHAKI AUTOMATIC X-WIND
Recommendations
Like all micro-mechanical precision instruments, your Hamilton watch should be checked at least once every
two years. Entrust your watch only to an authorized Hamilton agent. To keep your watch water-resistant, make
sure that its sealing features are tested at every check-up.
The water-resistance of your watch is 10 ATM = 100 meters = 330 feet.
Five basic rules for maintaining the water-resistance of your watch
1. Have your watch checked regularly (once a year).
2. Do not move the crown when you are in water.
3. Rinse off your watch after having been in the sea.
4. Dry your watch whenever it gets wet.
5. Have your watch checked for water-resistance by an authorized Hamilton agent each time the case is
opened.
Your watch is fitted with an automatic movement. The mechanism of the watch includes an oscillating rotor that
winds the mainspring via the movement of your wrist. The running reserve is approximately 46 hours. If
necessary, the watch may be rewound manually. The beauty of the inner working of the watch movement can
be admired through the transparent case back.
7. Calculate the angle of drift:
Locate the crosswind component (
20) on the exterior rotating bezel (A) and read the value indicated on the
interior bezel (
C).
Ex.
Angle of drift: approx. 6.5°
8. Calculation of corrected bearing:
If the wind is blowing from the right, add the angle of drift to the magnetic bearing.
If the wind is blowing from the left, subtract the angle of drift from the magnetic bearing.
Ex.
Corrected bearing: 40° + 6.5° = 46.5°
For memorization, use the crown (
D) to indicate the corrected bearing (46.5°) on the lower interior
rotating bezel (
E).

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