I discover that my titus automatic watch behaves very strange recently.
The difference everyday is different.
For example, today has -5 seconds, tomorrow is +10 maybe.
does it mean something bad?
Also, for recent days, I discover the watch only lose time. i.e. only negative seconds each day. For example, today has lost about -6 seconds. Does my watch have any problem?
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dbssimon
資深會員   |
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watchfreak
榮譽版面管理員   |
發表於: 星期三 2005-10-19 09:21
The performance of your watch is not vefry stable, the variation in accuracy is big. It is a sign that the watch requires a service(oiling) and pahaps, also requires replacement of some parts.
_________________ 表：今生的愛，前世的債 |
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dbssimon
資深會員 |
發表於: 星期三 2005-10-19 13:48
A watch should have very stable performance? say always +5 seconds, right?
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watchfreak
榮譽版面管理員 |
發表於: 星期三 2005-10-19 14:29
In my opinion, a stable watch should not have too great rate variations, for example, first day +3s, and +2 second day, (variation of 1s), then is ok, or, first day losing -3s, second day lose 1s, the variation is 2 seconds, then is ok too...
If a watch is gaining of 10s, and next day -8s, then total variation is 18 seconds, then it is not a stable watch. As I always mention, stability is more important than accuracy. Stability is a pre-requisite of for watches with good accuracy. _________________ 表：今生的愛，前世的債 |
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dbssimon
資深會員 |
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dbssimon
資深會員 |
發表於: 星期六 2005-10-22 00:59
well.... i have noticed for a watch, if take a week's ( 7 days) average, it is just 4 seconds each day.
But the difference between different says can be from -5 seconds to + 12 seconds!!! So should i say my watch has problem? |
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onlyseiko
資深會員  |
發表於: 星期六 2005-10-22 10:13
我總是建議,
觀察秒差不要一個月或一星期一次, 根本沒意義. 因為你的錶若真的有問題, 第一天-10秒, 第二天+8秒, 第三天又-4秒, 第四天又+5秒........ 這樣算下去, 每個星期或月的秒誤差根本沒有意義. 最好是每小時算, 而且是固定方位算, 次好是固定方位24小時算, 但這些都不符合實際使用. 最符合實際使用即依正常習慣戴, 計算戴著時的誤差和擱著時的誤差, 就能知道一天大約差幾秒了. |
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dbssimon
資深會員 |
發表於: 星期六 2005-10-22 13:45
To onlyseiko and other brothers, my watch is really as you said, the difference can be so big for each day. But if you take the average, the difference is so small. So what should I do?
Even I do not wear it and put it on a desk, I notice it runs quite fast for few hours, then very slow for few hours. Should I send it back for checking? |
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onlyseiko
資深會員 |
發表於: 星期六 2005-10-22 14:18
dbssimon,
一般的新錶應該不會有什麼問題的. 你用一個月下來, 一天加十一天減七, 加加減減的, 沒辦本看出什麼來. 我建議你可以用我以前最無聊的方法測, 拿一支計時碼錶, 然後把你的錶上滿鍊(用手上鍊或不斷搖它5-10分鐘), 接著測一下平放的秒差, 頭一小時記錄差多少秒(用lap的方式記, 不要整個計時錶停下), 第二小時呢? 第四小時呢? 第六呢? 十二? 從這些各時段的秒差, 你可以大至知道在最滿鍊時(如第一至第四小時)秒誤差為多少, 偏中滿鍊時的(第六至第十二)時又誤差多少? 然後, 再給它上滿鍊, 平放再測一次, 重覆做個三四次, 若秒差都差不多, 就可以放心了啦~~ |
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dbssimon
資深會員 |
發表於: 星期六 2005-10-22 18:30
haahaha, a time-consuming method, but an excellent method. If i have time, i will try later.
yes, it is still within 2 months. If it is not demaged by manual winding, I think it is the same as the beginning. |
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