Fine Swiss stainless steel dress lever pocket watch Circa 1940

Stainless steel open faced watch by Rolex
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A Swiss, stainless steel dress pocket watch, Prince Imperial, circa 1940.
Rolésium two-body shaped case with satin and black lacquered borders. Two-tone matte silver dial and quartered satiné with black Arabic numerals, outer minute track, subsidiary seconds, and blued steel hands. Rhodium-plated movement with going barrel, straight-line lever escapement, compensated balance, and self-compensating Breguet hairspring, officially tested in eight ways. Dial, case and movement signed.
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Dimensions: 43.8 x 37.3 mm
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Signed: Rolex Prince Imperial