11. Universal Watch Extra. An 18K gold manual wind single button chronograph wristwatch Universal Watch Extra. 18K (750) yellow gold single-button wrist chronograph mechanical movement Date: Circa 1920 Movement: Jewelled manual wind, No.336747 Dial: White, black Arabic numeral hour markers, black outer 1/5th second divisions with Arabic five minute markers, red outer tachymetre scale, subsidiary dials at 3 and 9 for seconds and 30 minute recording, blued steel Breguet style hands, centre chronograph hand Case: Polished round, hinged back, single chronograph button in crown, No.444950 Strap/Bracelet: Black leather Buckle/Clasp: Gold plated buckle Signed: Dial Size: 33mm Weight: 37,07g