细节
Paul Buhre: An early large silver single button chronograph wristwatch for the Russian Airforce, in drum-shaped case with matching bow and mock winder at six, the white enamel dial with Arabic numerals, subsidiary dial for elapsed minutes at twelve, sweep centre seconds operated by the button in the crown, the case with hinged bezel and back, the frosted gilt movement jewelled to the centre, signed on the dial
46mm. diam.