Tegimented vs DLC vs Ceramic
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Thread: Tegimented vs DLC vs Ceramic

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  1. #1
    Member toolkit21's Avatar
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    Tegimented vs DLC vs Ceramic

    Just curious about what differences of the strength & hardness properties, manufacturing cost and also daily use ability of a

    : Tegimented steel (eg Sinn)
    : DLC (eg Aquadive)
    : Ceramic (eg Rado)

    What other types of 'hard steel' are there in the market?
    :-Current-:
    STOWA ~ Marine Chronograph * CASIO ~ G-Shock Original *
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    OMEGA ~ Speedmaster Tintin

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    Magrette ~ Moana Pacific Pro Rose Gold * AQUADIVE ~ BS100 DLC *
    IWC ~ Aquatimer 3290 * SINN ~ 856 UTC
    SEIKO ~ SBBN017 Tuna * H2O ~ Kalmar2 * AQUADIVE ~ BS100 GMT Yellow * TUDOR ~ Pelagos * ROLEX ~ Datejust 126334
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  2. #2
    Moderator at Large stuffler,mike's Avatar
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    Re: Tegimented vs DLC vs Ceramic

    Moved to Public Forum. There is a lot of information already available on WUS, just use the search function. You forgot to mention "ice-hardening" and "kolsterizing". If youndo a search with this two terms you should find answers to your questions.
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  3. #3
    WnS
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    Re: Tegimented vs DLC vs Ceramic

    All I ever do with my watches is desk dive, so I would choose ceramic, it's a solid scratch-proof material rather than just a coating. Keeps the watch looking new.

    For those who bang around their watches, hardened steel seems like the better option, as it's more shatter resistant.
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    I'm content with my watch collection

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  5. #4
    Member Synequano's Avatar
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    Re: Tegimented vs DLC vs Ceramic

    Ceramic,scratch proof and lighter than standard SS
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  6. #5
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    Re: Tegimented vs DLC vs Ceramic

    Some companies are using carbon diffused steel now too. It is like a bearing, softer inside for give and harder on the outside for scratch resistance.

    Rado also makes Tungsten Carbide cases.
    Last edited by Henry Krinkle; January 14th, 2014 at 01:31.
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  7. #6
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    Re: Tegimented vs DLC vs Ceramic

    I'll take ice-hardened Damasko over any alternative. I've witnessed how rugged it is. So far, I consider it virtually scratch-proof. I'm sure if you ding it on bricks it may scratch, but not with typical bumping and dinging.
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  8. #7
    Member lysanderxiii's Avatar
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    Re: Tegimented vs DLC vs Ceramic

    Kolsterizing and Tegimented steel are forms of surface hardening stainless steel (aka "case-hardening" see Case hardening - Wikipedia, the free encyclopedia)

    Kolsterizing infuses carbon into the steel surface usually to a depth of 20 to 35 microns.

    Tegimented steel is a proprietary hardening process, probably similar to kolsterizing.

    "Ice-hardening" is a catchy name for Cryogenic hardening, (hard all the way through the piece). The mechanism of how this works seems to be a matter of debate among metallurgists....

    DLC is just another type of PVD/CVD, where a layer of super hard material is allowed to condense onto the surface of the material, the thicknesses are usually around 2- 5 microns for PVD coatings, 5 to 10 microns for CVD coatings.

    Ceramics are...well... ceramics, which can be tougher than you think. They aren't made from the same stuff as your Grannie's nick-knacks.

    EDIT:

    Damasko uses a nitrided martensitic stainless steel, which can be heat treated to achieve respectable hardness through the billet even without cryogenic treatment.
    Last edited by lysanderxiii; January 14th, 2014 at 06:25.
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  9. #8
    Member toolkit21's Avatar
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    Re: Tegimented vs DLC vs Ceramic

    That is a very well described differences information. Really appreciate this.
    :-Current-:
    STOWA ~ Marine Chronograph * CASIO ~ G-Shock Original *
    JaegerLeCoultre ~ Master Compressor Chronograph 2
    MIDO ~ All Dial GMT * ORIS ~ F1 Day Date
    ROLEX ~ 116710 BLNR Batman / 116610 Submariner Date * SEIKO ~ SBDX01
    4 Rose Gold Prospex

    :-For Sale-:
    OMEGA ~ Speedmaster Tintin

    :-Sold-:
    Magrette ~ Moana Pacific Pro Rose Gold * AQUADIVE ~ BS100 DLC *
    IWC ~ Aquatimer 3290 * SINN ~ 856 UTC
    SEIKO ~ SBBN017 Tuna * H2O ~ Kalmar2 * AQUADIVE ~ BS100 GMT Yellow * TUDOR ~ Pelagos * ROLEX ~ Datejust 126334
    TUDOR ~ Black Bay 58

  10. #9
    Member dilal's Avatar
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    Re: Tegimented vs DLC vs Ceramic

    Some more information about these:

    Tegimented steel of Sinn scratches. Not easily, but it does. Looks bad especially if it's black.

    Titanium Carbide surface treatment (TIC of Oceanus, I believe Diashield of Seiko is similar) shows scratches on brushed surfaces (first hand knowledge).

    Ceramic is difficult to work with, and can break (search IWC Top Gun).

    Panerai composite (ceramic over aluminum) was a total disaster as well (just deteriorated by regular use).

    Tungsten Carbide is great, but heavy as hell.

    ---

    Few Citizen and Oceanus models (e.g. S3001B) combines TIC with DLC, and I haven't heard anything negative about those yet, but who knows. I'd be interested to know.

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