✦ Jaeger-LeCoultre Master Collection Q413843J 40mm Stainless Steel Full Calendar Moon Phase Chronograph Automatic Mechanical

✦ Review Notes | Curator's Note

Watch Model: Jaeger-LeCoultre Master Control Q413843J Automatic Mechanical

Condition: Unused, complete set as of November 2025, 40mm stainless steel case.

Key Selling Points: A highly complex movement integrating a full calendar (day/month/date), moon phase display, and chronograph function; a classic dress dial aesthetic that is intricate yet orderly; an exceptionally reassuring 8-year official extended warranty; and a 40mm diameter that perfectly fits the wrist for a gentlemanly look.

Attachments: Original packaging box, original warranty card, purchase receipt, instruction manual (Top-of-the-line complete set as of November 2025)

Authoritative Guarantee: Activated Jaeger-LeCoultre official 8-year extended warranty until 2033 / Officially certified by China Inspection and Quarantine Bureau, supports verification at authorized dealers.

"A complex symphony of mechanics on the wrist. This Jaeger-LeCoultre Master Collection Q413843J is a masterpiece of high-end dress complications. Within a 40mm stainless steel case, Jaeger-LeCoultre exquisitely blends a full calendar display, a poetic moon phase complication, and dynamic chronograph functions, showcasing the unfathomable mechanical prowess of the 'watchmaker's watchmaker.' Remarkably, this timepiece, created in November 2025, remains in pristine, unused condition, complete with all original accessories and receipts. Adding to the collector's confidence is its successfully activated 8-year official warranty. While its retail price is 136,000 RMB, this nearly new piece is now presented at a modest price of just over 81,000 RMB. Entering the Jaeger-LeCoultre grand complications with a sophisticated and intelligent entry point, it exudes a composed and refined elegance."