Fine Swiss stainless steel open faced pocket watch Circa 1940

Fine stainless steel open faced pocket watch by Rolex
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A fine Swiss stainless steel open faced pocket watch, circa 1940, retailed by bucherer, rhodium finish lever movement, 15 jewels, cut mono-metallic balance with timing screws, flat balance spring.
Silvered brushed dial, applied pink gold indexes, pink gold leaf hands, subsidiary seconds, outer minute track, bassine steel case, dial, case and movement signed by the maker, dial signed by the retailer.
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Diameter: 46 mm
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Signed: Rolex
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With a chain.