Omega Seamaster 300 Master Co-Axial Titanium vs Stainless Steel

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SUG makes cases for Sinn...



And for many other German brands as well...

Oh I know, but this is only after 2002 - before that all hardened Sinn cases were made by Damasko.
 
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Just a clarification - Sinn used to use cases made by Damasko, but this partnership died out quite a while ago. They then developed the tegimentation process which is a very thin surface hardening over softer steel.

All Damasko watches use ice-hardened steel that is fully hardened - not a surface layer - but if you get one in black, it is coated with a layer of Damest - which is their proprietary coating (probably similar to DLC?) - that is very wear/scratch resistant and will stay looking better far longer than a PVD coated watch.

Interesting insight into case hardening techniques, but I wasn't particularly focusing on case hardness per se, rather the difference between the optical effect of folded steel that you get with Damask or Damascus steel and the name of the other watch company (Damasko).
I rather like the effect of Damascus steel on Purdee's products:-

http://www.purdey.com/guns-rifles/damascus-guns/
http://www.purdey.com/clothing-accessories/forester-raindrop-knife---desert-ironwood-knife096.aspx
 
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Oh I know, but this is only after 2002 - before that all hardened Sinn cases were made by Damasko.

Yes I know - just finishing off the information you started to provide...
 
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Yes I know - just finishing off the information you started to provide...

Whoops! Sorry 😬
 
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Interesting insight into case hardening techniques, but I wasn't particularly focusing on case hardness per se, rather the difference between the optical effect of folded steel that you get with Damask or Damascus steel and the name of the other watch company (Damasko).
I rather like the effect of Damascus steel on Purdee's products:-

http://www.purdey.com/guns-rifles/damascus-guns/
http://www.purdey.com/clothing-accessories/forester-raindrop-knife---desert-ironwood-knife096.aspx

And apologies to you too - I had seen those Damascus steel Sinn cases the other day, but hadn't clicked on the link in your post, and thus took what you were saying incorrectly.
 
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And apologies to you too - I had seen those Damascus steel Sinn cases the other day, but hadn't clicked on the link in your post, and thus took what you were saying incorrectly.
No worries, it made for informative reading 👍. I'm a sucker for techno details, especially when it's outside of my own field of specialism.
 
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The hardness of titanium depends on the grade, grade 2 is softer than 316L steel but grade 5 is harder and therefore more scratch resistant. They all have better yield and tensile strengths compared 316L steel as well as a greater resistance to corrosion. I know when I remove the bracelet of my Ti SM 300 I don't have to tape the lugs because the spring bars never seem to scratch the lugs . However if I don't do this with my Rolex then there will be a fine scratch on the lug created as the spring bar slides on the inside surface of the lug as it pops out. I think things like sand grains are the most dangerous in terms of scratching your watch and these are much harder then both steel or titanium so there is probably not much of a practical difference between grade 5 titanium and 316 steel.


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The answer is very simple. Do you want a black dial or a blue dial?
 
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I think the young British Watch Maker brand, Bremont is arguably the current Champion producing the hardest Kick Ass super scratch resistance SS casing 72aeeb80a648183ee63a6240f115ae19.jpg The Bremont Boeing series has a Trip-Tick casing constructed from aviation proprietary custom 465 Steel treatment which reaches 2000 Vickers of hardness from outer surface all the way through to the inner core.... 8cb2e78c35864f4a8ea7dbe07839ff83.jpg

I was pretty impressed with Bremont's ALT -1 ZT/P51 when the GM of the AD boutique demonstrated its surface toughness using a screw driver ( But he wasn't trying hard enough ....[emoji14] )
Edited:
 
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I love both. Have had both. Love the blue a tad more, but comes down to preference. Both PCL's are going to scratch up pretty easily. The Ti is a bit rougher with scratches in that although harder... looks more rough with scratches. Also the local watchmaker won't touch any of my titanium watches when it comes to polish time =/
 
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In normal use, the only real difference is weight and colour. I prefer the black so it'd be steel for me.
 
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Steel all the way. The watch is a re-creation of the 1957 original, which was ... steel! The dial is available in black (the original color) on the one made of ... steel! And the difference in weight isn't that much - the movement is completely antimagnetic, which means that most of it isn't made of ... steel 😉
 
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I love titanium, but not sure about the blue tone on the SM300. I haven't seen one in the flesh; is it darker than the blue on the ceramic Planet Oceans? Would love a black Ti SM300 !
 
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Old post, new watch!

It was an impulse buy but this Ti watch grows super fast on me and may be my next standard go to watch.....