What to know about Your Self-Winding Watch!
We hope you find the following information about your timepiece informative and that it will better assist you in the proper function of your watch. You may experience that your self-winding watch occasionally stops overnight or appears to be running slowly. This does not necessarily indicate a malfunction or defect in the watch. In most cases, the problem is related to the power reserve that has not been properly initiated or, may be the result of too insufficient wrist action while wearing the watch. For a self-winding watch to function properly, the mainspring must build up a sufficient power reserve. Many people are unaware that a self-winding watch needs to be wound first manually before it will run automatically. This is called the initiation process. Without the initiation process, the watch will never operate properly or consistently.
To initiate the power reserve, the watch must be wound manually. Turn the winding crown at the 3 o'clock position, in a clockwise direction for about 40 revolutions. This start up wind is usually sufficient for most automatic watches.
After completion of the initiation process, the watch will wind itself automatically (rebuilding the power reserve) by means of an oscillation weight that shifts every time the watch's position is changed by the action of the arm and wrist. A self-winding watch should be worn at least eight hours a day to maximize the power reserve. If this is not possible, or if the watch has been off the wrist for more than 15-20 hours, the initiation process must be repeated.
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Whitley Jewelry Co.
Know your Watch?
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The American Watchmakers Institute has an article from a watchmaker in New Zealand and he wrote the following about waterproof and watches today
The basic figures for the water resistancy ratings of watches are derived from ISO(International Standards Organization) 2281 document. Most watches will have some form of water resistancy rating printed on the dial(the watch face)or on the back of the case. Usually in the form of "Water Resistant X meters" where X is usually 30,50,100,150 or 200. Additionally the word "Divers" may be seen-this represents a higher level of water resistancy which requires different tests as outlined in the ISO specification for Divers grade watches. Where no rating is given it is assumed that the watch is NOT suitable for immersion in water and no guarantee should be given as to the water resistance of the watch. Unless specified as a "Divers" grade watch, the watch should not be used as such.
With regards to the pharse "Water proof". This is an outdated expression which is no longer in use in the industry as it implies that a watch is completely impervious to any form of leakage regardless of conditions, this is not the case, as given extreme enough conditions(e.g. exterem ocean depths) there is virtually no way of making what is essentially a container such as a watch case completely watertight. The expression "Water resistant" is now used instead which can be taken to mean that it only resists water and given appropriate conditions this resistance may be overcome and the watch may leak.
The words "Water Resistant" and the "depth" rating do not directly rate to each other. To be eligible to be certified as "Water resistant" a watch must pass a combination of 5 of 6 tests. These test are as follows:
1) Resistance to air over pressure- A watch should not leak when subjected to a pressure of 2 bar at a rate of more than 50 micrograms of air per minute when put into a pressurized dry chamber.
2) Condensation Test- The watch is heated to a temperture of 40 degreesC to 45degreesC then a drop of water of 18degrees to 25dgrees is placed on the glass. After approximately 1 minute no condensation should have formed om the inside of the watch glass.
3) Resistance when immersed in water at a depth of 10cm-The watch should shoe no signs of leakage when left in 10cm of water for 1 hour.
4)Resistance of operative parts- The watch should not leak when a force of 5 Newtons is applied to the crown or other operating buttons at an angle perpendicular to the casing while the watch is immersed in 10cm of water for 5 minutes.
5) Resistance to different temperatures- At a depth of 10cm in water the watch should be heated successively to 40 degressC for 5 minutes, then 20 degreesC for 5 minutes and then again to 40degreesC for 5 minutes. The watch should show no signs of leakage at any stage during the test.e your paragraph here.
Is Your Watch Waterproof?
How to charge your Solar powered watch.
Most Solar watches will say so on the dial, some companies even call their solar watches Eco Drives. No matter what the company calls them they are all fundamentally the same. They convert the suns rays into energy that is stored in the watches capacitor; there's no traditional battery in these watches.
But did you know that your watch needs to have a full charge starting off to run correctly? Most companies will have this information in the owners manual, but unfortunately most of us never even crack that little book open let alone take it out of the box. So with that, depending on the type of light your in and if you spend a lot of time outdoors, what you do will determine the type of charge your watch will have and how efficiently it will run.
Here is what Citizen says are the times needed to give a full charge for their Eco Drive watches.
Fluorescent light at 6" distance & Incandescent light at 20" distance: Charge for 150 hours
Outdoors on a Cloudy Day: Charge for 45 hours
Outdoors on a Sunny Day: Charge for 9 hours
*Usually overhead light in any office space is insufficient to fully charge your watch*
Optimal charging is achieved with outdoor light.
Sunlight through a window provides less energy than direct sunlight due to glass filtration and any protective coating the windows may have. So if this is your only option then your watch will need exposure for double the Cloudy day time.
There you have it!
Now you know how long to charge your watch so it runs to it's full potential. If for any reason your watch should lose all it's charge, say from being in a dresser drawer for the last year or so, now you know how to get it back up and running.
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