Vacheron Constantin. A Yellow Gold Perpetual Calendar Wristwatch with Moon PhasesReference: 43031Movement No: 797993, signedCase No: 651846Year: Circa 1985Calibre: 1120QP, automaticDial: Guilloché cream colour dial, perpetual calendar date and month in French, signed Case: 35mm, 18k yellow gold, transparent case back, signed Strap: Endangered species, Vacheron Constantin gold buckleAccompaniments: Vacheron Constantin box注脚江詩丹頓，43031型號，黃金萬年曆自動上弦腕錶，配月相顯示，年份約1985。附原廠錶盒。