User manual BREIL OS20

[. . . ] [Measuring time with chronograph] 1) The chronograph can be started and stopped each time button is pressed. 2) Pressing button the chronograph and all hands return to their 0 positions. Chronograph second hand Minute hand Hour hand Chronograph minute hand Normal crown position Calendar Continuous second hand 24-hour hand After replacing battery] This procedure should be performed when the chronograph second hand does not return to the 0 second position after the chronograph has been reset, and including after the battery has been replaced. [. . . ] If the car covers the distance of 1 km in the 45 seconds, the average hourly speed during the journey will be about 80 Km. The telemeter is a distance indicator which allows distance to be calculated on the basis of the speed of sound. It is useful, therefore, for aviation, navy, army and artillery purposes. It can also measure how far away a thunderstorm is. The hand is started the second a flash, smoke or lightning is seen and stopped when the actual sound is heard. The distance, from 1 to 20 kilometres, between the observer and the explosion or storm is read from the telemetry scale. - In order to prevent water coming into contact with the internal mechanism, never pull the crown out when the watch is wet. - If any watches designed for sportswear or use in water come into contact with salt water or heavy sweating, they should be rinsed in fresh water and dried thoroughly. Must be kept away from water and moisture Average water resistance. Can withstand spray, sweat, light rain, washing, etc. During daily use Can be worn while swimming but not diving Suitable for skin-diving. * Always keep the crown in its normal position. - Contact with water may cause a deterioration in the quality of some leather straps. - As internal parts of the watch can retain moisture, when the outside temperature is lower than the inside, the watch glass may mist-up. This phenomenon is purely temporary and should not create any problems. However, if it persists for any length of time, the watch should be checked by the shop where it was purchased or by the nearest Authorised Service Centre. Temperature Do not leave the watch exposed to direct sunlight or temperature extremes for long periods of time. Long exposure, in fact, may adversely affect the operation of the watch and actually shorten battery life, causing it to gain or lose time and affect its other functions. [. . . ] Wearing the watch when the strap or back of the case is dirty can cause skin irritation. cleaning the watch strap: · Metal bands: use a toothbrush and soapy warm water to wash the dirt off. Leather straps: gently rub the face of the strap using a soft dry cloth. [. . . ]