True and false identification
1, check watch appearance parts
Watch from the shell, table appearance at the second hand mirror, dial and aspects inspection. Case should be no sand holes and apparent Nick, edges and asymmetrical; On the back cover and shell and should be strict in spin; Two watch ring with the same distance from each of the middlecases, installation of the hole in the ear huang should watchcase to the rear of the center position feet from the depth of the hole, appropriate, make table ring off not easily; Tables should be no defect and Nick mirror, transparent light; Three needle, needle to the correct installation needle, table lens and dial between due right security clearance; Dial and hands, no spot mark coating finish, dial scale lines or luminous point complete. Her head and case between 0.1 0.3 mm about gap.
2, check the sensitivity of the watch
Watch sensitivity is that it's set up automatic regulating the flexibility. Check the method is:
1) will didn't have to stop the wind walk watch gently shaking, with the power of a shaken to observe the second hand around: if the second hand in a very short time to stop walking around, and show the watch on foot after go through all clockwork spring (that is, without torque), high sensitivity; If the second hand long time continue to get around, then explaining this watch on foot after all cannot walk the wound is still stored torque (spring), sensitivity is not high or table machine has broken down.
2) didn't stop the wind walk slowly turn head, watch, watch the second hand starting conditions on the rotation of the article: the less starting the earlier, the second that the sensitivity of the table, the higher Otherwise, the sensitivity low or table machine have other fault. But take note fast because the stiffness of the kind of place watch bigger, better than the traditional frequency (18000 times/hour) watch on a bit more from a wound to the place. High sensitivity watch on foot, a continuation of the wind walk after the time is long.
3, check the spacing and watch pointer position
Whose hands and watch mirror, dial and between three stitches should maintain a certain between spacing, otherwise have rubbed and influence each other watch the normal operation of machine. Check by dial the needle observation. Clockwise and the position of the minute hand and cooperate each other is normal inspection method is: will minute hand and hour hand dial the to 3 points, nine points, observe whether two needles at right angles to the; Dial 6 points to two needles into a straight line, whether; Dial the to 12 o 'clock, two needle is overlap.
4, article on agency. Watch check
Normal watch should be relaxed article. Turn the head when the first think, a loose, gradually on the too tight, when cannot continue forward rotation head, that has completely covered with wind and the institutions working normally. If turn handle when the head of abnormal happens "live sound, or produce top gear sliding phenomenon, show the agency has broken down.
5, check watch dial. Needle institutions
Watch should be flexible in dial the needle, reliable, and even the hands. When the examination should focus on the check points wheel and axle center of friction with firmness. In the dial the needle, without partial loose or tight feel that points round friction normal and gas, and vice, dial apply needle is a failure parts.
Watch from the shell, table appearance at the second hand mirror, dial and aspects inspection. Case should be no sand holes and apparent Nick, edges and asymmetrical; On the back cover and shell and should be strict in spin; Two watch ring with the same distance from each of the middlecases, installation of the hole in the ear huang should watchcase to the rear of the center position feet from the depth of the hole, appropriate, make table ring off not easily; Tables should be no defect and Nick mirror, transparent light; Three needle, needle to the correct installation needle, table lens and dial between due right security clearance; Dial and hands, no spot mark coating finish, dial scale lines or luminous point complete. Her head and case between 0.1 0.3 mm about gap.
2, check the sensitivity of the watch
Watch sensitivity is that it's set up automatic regulating the flexibility. Check the method is:
1) will didn't have to stop the wind walk watch gently shaking, with the power of a shaken to observe the second hand around: if the second hand in a very short time to stop walking around, and show the watch on foot after go through all clockwork spring (that is, without torque), high sensitivity; If the second hand long time continue to get around, then explaining this watch on foot after all cannot walk the wound is still stored torque (spring), sensitivity is not high or table machine has broken down.
2) didn't stop the wind walk slowly turn head, watch, watch the second hand starting conditions on the rotation of the article: the less starting the earlier, the second that the sensitivity of the table, the higher Otherwise, the sensitivity low or table machine have other fault. But take note fast because the stiffness of the kind of place watch bigger, better than the traditional frequency (18000 times/hour) watch on a bit more from a wound to the place. High sensitivity watch on foot, a continuation of the wind walk after the time is long.
3, check the spacing and watch pointer position
Whose hands and watch mirror, dial and between three stitches should maintain a certain between spacing, otherwise have rubbed and influence each other watch the normal operation of machine. Check by dial the needle observation. Clockwise and the position of the minute hand and cooperate each other is normal inspection method is: will minute hand and hour hand dial the to 3 points, nine points, observe whether two needles at right angles to the; Dial 6 points to two needles into a straight line, whether; Dial the to 12 o 'clock, two needle is overlap.
4, article on agency. Watch check
Normal watch should be relaxed article. Turn the head when the first think, a loose, gradually on the too tight, when cannot continue forward rotation head, that has completely covered with wind and the institutions working normally. If turn handle when the head of abnormal happens "live sound, or produce top gear sliding phenomenon, show the agency has broken down.
5, check watch dial. Needle institutions
Watch should be flexible in dial the needle, reliable, and even the hands. When the examination should focus on the check points wheel and axle center of friction with firmness. In the dial the needle, without partial loose or tight feel that points round friction normal and gas, and vice, dial apply needle is a failure parts.
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