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Interesting (to me) Roamer / MST 253

Roy Horrorlogic

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Mar 7, 2017
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I'm a bit reluctant to do anything much to this watch although I have found a minute hand (not the chewed one shown) and a near-enough sub-sh and given it a general re-lubrication. It runs astonishingly well for its age. At present, face up, it's showing +220 s/d; 245 deg; 1.6 ms. From the presence of 20 mm spring bars I'd guess its from the late 30s although Ranfft shows the movement as 1925- with the example at 1945. Not sure what "Rolled Plate" implies abut the case material. Rolled white gold?
Sorry about the rough hand held noisy pix.
Anyway, as usual, any info appreciated.
Roy

Roamer-MST-253-160035.jpg Roamer-MST-253-160036.jpg Roamer-MST-253-160037.jpg Roamer-MST-253-160038.jpg
 

novicetimekeeper

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Jul 26, 2015
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rolled gold here is what you call filled gold there I think. A base material is rolled between two sheets of gold to give you a layer thicker than electroplating.

My first decent wristwatch was a Roamer searock automatic.
 

Roy Horrorlogic

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Mar 7, 2017
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Hi there
yes, thanks, I know about the various plated/rolled/filled variations. However what I meant to say is that if it is white rolled gold, the description is a bit sparse (ie no thickness defined etc.)
 

novicetimekeeper

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I've never seen rolled gold with the descriptives used for filled gold.
 

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