17. 17Y Breguet. An 18K yellow and white gold manual wind wristwatch Breguet. Montre bracelet en or jaune et blanc 18K (750) mouvement mécanique Date: Circa 1970 Movement: Jewelled manual wind Dial: Guilloché engraved silvered, black Roman numeral hour markers to brushed surround, outer black dot minute divisions, subsidiary seconds at 6, gilt Breguet hands Case: Polished round, snap on back, coin edged band, 'LGZ' engravement to back, No.1409 Strap/Bracelet: Black Hermès lizard leather Buckle/Clasp: 18k gold buckle Signed: Case & dial Size: 35mm Weight: 50,28g