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KS LowJoin us at the IWC Collectors Club South East Asia/Australia
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Regards, Shing | email iwcforme1976 (at) gmail (dot) comtime does not change us. it just unfolds us. max frisch.all that really belongs to us is time; even he who has nothing else has that. baltasar gracian.
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Best regards,Jim"We are the other people, we are the other people...you're the other people too!" Frank Zappa
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Nicky Wrote:Here's some background >>>I am certainly not an expert but I gathered the following information:According to the article in Watch april 2006 the IWC Ceramic has a hardness of 8 Mohs. Sapphire and Diamond are harder at 9 and 10 Mohs respectively. Thats means its harder than any steel and it would take something like sapphire or diamond to scratch it. I don't know the hardness of Rolex steel but I think it would be less than 8 Mohs because steel usually is (see info below):Mohs is a scale to measure the hardness of minerals:1- Talc Talcum powder. 2 - Gypsum Plaster of paris. Gypsum is formed when seawater evaporates from the Earth’s surface. 3 - Calcite Limestone and most shells contain calcite. 4 - Fluorite Fluorine in fluorite prevents tooth decay. 5 - Apatite When you are hungry you have a big "appetite". 6 - Orthoclase Orthoclase is a feldspar, and in German, "feld" means "field". 7 - Quartz 8 - Topaz The November birthstone. Emerald and aquamarine are varieties of beryl with a hardness of 8. 9 - Corundum Sapphire and ruby are varieties of corundum. Twice as hard as topaz. 10 - Diamond Used in jewelry and cutting tools. Four times as hard as corundum. For comparison hardness of some other items:2.5 - Fingernail 2.5 to 3 - Gold, Silver 3 - Copper penny 4 to 4.5 - Platinum 4 to 5 - Iron 5.5 - Knife blade 6 to 7 -Glass 6.5 - Iron pyrite 6.5 to 7 - Hardened steel file I have mostly seen hardness of steel expressed in Vickers but thats a different way of measuring so hard to compare. But I think the above gives a good indication that the Ceramic used is harder than steel.If you dropped it on the floor or banged it the wrong way Ceramic could chip or break though.But for normal wear it should look rather new for a very long time. I have seen several older Ceramic fliegers (IWC made one before the 2006/2007 models) which still look amazing.Apparantly the shape of the case is very important in the breaking factor. Panerai explained this year how it was much harder to make a Luminor case (the lugs can break off) than an IWC flieger case in Ceramic. It would seem the IWC is well suited for this process. Its a complicated and expensive process though which you fully appreciate when you read the article in Watch.I have had my Ceramic flieger for a year now and there is not a single swirl to be seen. It looks brand new.Hope that helps
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Dimitris Psaromialos Wrote:Dear friends,finally my scratch disappeared completely!!! I followed Alan's instructions but this time with a different ink-eraser (harder one) and with a little bit more pressure and... FANTASTIC.... my watch is like a new again!!!!!!Thank you Alan
Sincerely, Kelvin Leung_______________________________________________________________________________________Repeat after me: I don't need another IWC, I really don't need another IWC...