The Jaeger-LeCoultre Master Ultra Thin Perpetual Calendar Q130842J is encased in stainless steel surrounding a silver dial on a brand new black alligator strap with a stainless steel deployant buckle. Functions include hours, minutes, seconds, day, date, month, year, perpetual calendar and moon phase. The watch measures 39mm in diameter, 9.4mm in thickness, and 45.7mm from lug-to-lug.
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