What’s this Zenith 1939 dial with broadarrow?

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Hi everyone,
Saw this in a watch shop. I was intrigued.
I’m tempted to suppose the broadarrow with an « I » underneath suggests a watch issued to British government personnel in India, but what precisely?
Would anyone know what watch this (relatively large) dial fits?
Thanks and best regards
S

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Zenith GS MK II pocket watch, as you correctly point out for India.
See Knirim p.751 - I believe you can find copy of the page on the net, Sylvie.
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