For sale is my Jaeger-LeCoultre Grande Reverso Ultra Thin (Ref. Q2788520 / 277.8.62). Purchased in January 2012 from Orr’s Jewelers (Pittsburgh), and consistent with early production of the Ultra Thin 1931 series (2011-2012) Condition: – Worn once or twice and carefully stored – Very good overall condition – Dial is clean and sharp – Crystal is clear with no marks – Reverso mechanism functions smoothly – Watch runs accurately and winds cleanly – Case shows light hairline marks consistent with minimal, careful wear on polished stainless steel – The case has not been polished Included: – Original JLC presentation box – JLC booklet and documentation – Registration card with factory stickers – Original purchase receipt (January 2012) from Orr’s Jewelers – Brand new 20mm black genuine alligator strap (purchased December 2025) – Original Jaeger-LeCoultre deployant clasp Notes: Early examples of the Ultra Thin/1931 series did not feature an externally engraved serial number; this watch has the correct internal reference (277.8.62) and case code (2717300) for 2011–2012 production. Fast, secure, insured shipping. Please feel free to reach out with any questions or reasonable offers.