Swiss stainless steel open faced lever dress watch Circa 1935

Stainless steel lever with regulator dial by Alpina
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A fine and slim Swiss stainless steel open faced lever dress watch, made in the 1930s. Rhodium-plated movement, 17 jewels, straight-line lever escapement, monometallic balance, Breguet balance spring, index regulator. Two-tone silver regulator dial, small dial for the hours with baton indexes and Roman 6 and 12, outer minute track with Arabic 15 and 45 minutes, subsidiary seconds, original blued steel epee hands. Rhodium-plated movement, 17 jewels, straight-line lever escapement, monometallic balance, Breguet balance spring, index regulator. Dial signed, case and movement signed and numbered.
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Diameter: 48 mm
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Signed: Alpina