Large Swiss chromed split-seconds chronograph Circa 1955

Chromed lever chronograph with register by Lemania
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A fine and large Swiss chromed open faced keyless lever pocket watch with a 30-second split-second chronograph and instantaneous 30-minute register, made in the 1950s. Gilt brass movement, 18 jewels, straight-line lever escapement, high-frequency monometallic balance, self-compensating blued steel Breguet balance spring, index regulator, split-seconds chronograph with visible work, released by depressing the winding crown and with push-piece in the band for the split-seconds. Nickel cuvette. White enamel dial with bold black Arabic numerals, outer Arabic seconds track with red numerals 30-60, an outermost fifth of a second chronograph track with numerals 1-30, subsidiary 30-seconds and instantaneous 30-minute register, original blued steel pear hands. Massive case, polished. Dial and movement signed, case and movement numbered.
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Diameter: 65 mm
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Signed: Lemania Swiss