Swiss platinum repeater with split-seconds chronograph Circa 1927

Platinum dress watch with register and Patek Philippe box
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A very fine and extremely rare Swiss, minute-repeating, platinum dress watch with split-seconds chronograph, register and a Patek Philippe box, circa 1927. Sold on February 12th, 1943. Accompanied by the Extract from the Archives. A platinum case, the back cover engraved F. A. Slack, Harrisburg, Penna, bolt at 11 to lock the chronograph.
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Brushed silver dial with applied platinum Breguet numerals, outer minute track and concentric fifths of a second division, Arabic five minute/seconds numerals, subsidiary seconds, 30-minute register. White gold Breguet hands. A rhodium-plated movement, Geneva striping decoration, 40 jewels, counterpoised straight-line lever escapement, cut bimetallic compensation balance with eight adjustments, blued steel Breguet balance spring, swan-neck micrometre regulator, repeating on gongs activated by a slide on the band. Dial, case and movement signed.
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Diameter: 47 mm
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Signed: Patek, Philippe & Cie Genève
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Patek Philippe watches with minute repeating and split-seconds in platinum cases are extremely rare. This is a magnificent example of one such watch, in excellent condition.