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6 July 2008, 12:48 AM
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#31 | |
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Banned
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Quote:
As noted in this thread 18kt is 75% pure AU. As also noted above, PT's inherent hardness allows alloys of 95% PT (as you said-- PT950) in a very durable bracelet and case. Most WG blends are trade secrets. I doubt Rolex uses much if any PT in their WG but welcome info to the contrary. Just go back a few posts and the exact temps and density questions you asked are answered in a Watchtime blurb. |
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6 July 2008, 02:07 AM
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#32 |
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75%! Of course! Sorry - A Homer Simpson moment!
I should think before I type. Sorry - I am such a dummy. |
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6 July 2008, 02:09 AM
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#33 | |
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Quote:
  
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6 July 2008, 02:13 AM
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#34 |
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I spoke to my jeweller who hand works white gold when we bought my wife's engagement ring. They showed me a piece of white gold before "finishing".
White gold is actually creamy in colour and the white finish does come from plating or alloying (not rhodium). I was told only silver and platinum can achieve that true white polished finish with no additional plating or alloying work. J |
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6 July 2008, 02:27 AM
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#35 | |
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Banned
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6 July 2008, 02:33 AM
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#36 | |
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"TRF" Member
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Quote:
 In truth - I was meaning regarding the Rh plating argument/discussion! the metallurgy I am interested in and don't know much about the specifics! |
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6 July 2008, 03:21 AM
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#37 | |
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6 July 2008, 03:28 AM
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#38 | |
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Hey I know it's up to the individual and I don't pass judgement on those for wanting it. I understand material desire, believe me. I do want to say however, how much I agree with you on the pointless issue. If you want a precious white metal, why not Platinum? Just my thoughts.
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6 July 2008, 03:44 AM
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#39 | |
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Banned
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Quote:
I looked at some of the PT Langes but MAN are they pricey !!! Sadly, most precious metals watches sell for a much bigger premiums than the metal content would warrant. Even if you consider the additional processing required for these tough materials, it's still hard to justify. Maybe someday I'll get a DD II or Sub in PT. Then I'd have a beauty that "flies under the radar screen" as most folks would think it SS. |
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6 July 2008, 03:53 AM
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#40 | |
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6 July 2008, 06:40 AM
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#41 |
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Deffo Pt for me too! I wish they did an AK option in Pt. I have quite a bit of native Pt (ie "as found - alluvial nuggets and grains) in my mineral collection - but obviously nothing big enough to make a watch from!
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7 July 2008, 06:31 AM
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#42 |
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Banned
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From WatchTime Oct 2002 review of the DD.
"Rolex laboriously mills cases from solid ingots of white gold. This alloy is particularly difficult to process because it contains small percentages of RHODIUM and PALLADIUM, both which are very hard metals." "All in all, the white-gold version of the Day Date is an absolutely practical and durable watch." |
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22 January 2020, 03:49 AM
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#43 | |
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22 January 2020, 04:20 AM
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#44 | |
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22 January 2020, 04:22 AM
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#45 | |
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Quote:
Agree. Sent from my iPhone using Tapatalk |
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23 January 2020, 03:41 AM
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#46 | |
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23 January 2020, 05:46 AM
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#47 | |
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Don't be afraid. |
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23 January 2020, 05:55 AM
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#48 |
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Holy thread ressurection, Batman!
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24 January 2021, 01:06 AM
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#49 |
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I've found white gold easy to re-brush and easy to get dings and dents out of because its so much softer than steel. Personally, I steer away from the white gold cases because its so soft and doesn't wear as well - SS is my first choice. White gold is good looking though...
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24 January 2021, 01:14 AM
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#50 | |
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Quote:
My thoughts exactly  Also makes me wanna sell all my SS for a white gold lifer. I’d love  a WG GMT.  Sent using Tapatalk |
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24 January 2021, 04:34 AM
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#51 | |
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Quote:
 All white gold is an alloy. Most white gold jewellery sold these days is 18k Most commercially produced white gold jewellery is rhodium plated because 18k isn’t really white and consumers expect it to be. The higher the k, the less “white” white gold actually is (makes perfect sense if you think about it) Rolex as we know don’t plate their WG watches. Rolex WG is, as a result, quite different in colour to SS or PT. Its a warm white whereas PT is a cool white
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This space is provided to horological resources.
) I think that white gold is sort of pointless - if you need a heavy metal that is white then it has to be platinum - but I do understand that Pt is a lot more expensive than whte gold would be whilst retaining similar densities. Only my personal choice - I would opt for SS rather than WG anytime. But I'd love my watch to be out of solid Pt!
Polishing will not discolor it, but too much polishing does remove some gold metal from the watch. 
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