Portuguese Sidérale Scafusia
Last edited: 5 April, 2012 - 19:53
evan_nanos at yahoo.com
Last edited: 30 October, 2011 - 22:05
Last edited: 8 November, 2012 - 12:49
Evan Wrote:...Had no idea there was a white dial variation.Evan
clepsydra Wrote in reply to:Evan Wrote:...Had no idea there was a white dial variation.EvanThe authors of the "Man is not Lost" excellent article on the Mark 11 say that ...the so called "white dial", all examples we have seen are brass, depriving the movement of the the MoD specified magnetic shielding. The authors are probably referring to the dial being made of brass, not the case, since it is not the case that protects the movement against magnetic fields. The movement in the Mark 11 is enclosed in a soft iron cylinder on the sides, on the bottom by a soft iron cover incorrectly called "dust cover", and on top by the soft iron dial. These 3 parts protect the movement.If the dial is made of brass, the watch would not be a-magnetic, unless there is a thin layer of soft iron between the dial and the movement, which no one mentioned.Since the Mark 11 was a tool for military use in a harsh magnetic environment, and the success of military missions, and lives of airmen depended on its accuracy, is highly unlikely the (so called) white dial, be a true Mark 11, IMHO.
Last edited: 4 October, 2010 - 12:46
clepsydra Wrote:An excellent collage of one of my favorite IWCs and definitely the best overall mechanical navigator/pilot watch ever made. Just about everything about that watch is perfect.The Mark 11, in the middle of the lower row, appears to be from the former B.O.A.C., but with the hands of the post-1963 Mark 11.
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