Gent's 18K Yellow Gold Patek Philippe Grand Complication Ref # 5140 J "Perpetual Calendar" Strapwatch. Item #: CT34368 Brand: Patek Philippe Model: Perpetual Calendar Moonphase Reference No: 5140J-001 Circa: Circa 2015 Production Gender: Gent's Movement: Handmade Swiss Automatic Movement (Caliber 240Q)- Visible Through Sapphire Exhibition Caseback.(Interchangeable Full Back and Sapphire Crystal Caseback) Case Measurements: 37.
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