積家，精細，不銹鋼自動上弦腕錶，配萬年曆，月相及數字年份顯示，"Master Ultra Thin Perpetual Special Edition"，型號 176.8.21.S，約2015 年製

SIGNED JAEGER-LECOULTRE, MASTER ULTRA THIN PERPETUAL SPECIAL EDITION MODEL, REF. 176.8.21.S, CASE NO. 2'917'579, CIRCA 2015