Jaeger LeCoultre 378858J Grande Reverso Duoface Bleu Boutique Edition (34975)

34975 Jaeger LeCoultre Q378858J Grande Reverso Ultra Thin Boutique Edition, Q378.85.8J, stainless steel on a strap with a stainless steel buckle, manual wind Jaeger-LeCoultre caliber 822 movement, blue dial with applied baton hour markers, solid case-back, sapphire crystal, water resistant to 30 meters, power reserve of 45 hours, size: 46mm x 27.5mm, thickness: 7.23mm, Like New with Original Box and Papers; dated January 2017.


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More about Jaeger LeCoultre 378858J Grande Reverso Duoface Bleu Boutique Edition

This is a stainless steel Jaeger LeCoultre Grande Reverso Ultra Thin Boutique edition Q378858J. It has a Casa Fagliano leather strap with a stainless steel tang buckle, and a scratch resistant sapphire crystal. It has a pull out signed winding crown, and a rectangular correction push button at 2 o'clock for the GMT function on the reverse dial. The solid case back is engraved with "JAEGER LECOULTRE – REVERSO – SPECIAL EDITION – 30 BAR – SWISS MADE," the 1000-hour master control stamp, a serial and a reference number. The 46mm by 27.5mm rectangular five-body case, art deco bezel, and straight lugs, are polished. It includes a blue dial with a subtle sunray patterning, applied faceted steel "boat-shaped" baton hour indices around a silver minute scale, and polished steel dauphine sword minute and hour hands. The reverso face has a silver Clous de Paris guilloche outer reserve with an offset recessed silver circular time dial, with a railway-style minute scale around the perimeter, and a smaller round GMT second time zone 24-hour register at the 6 o'clock position, with black Arabic numerals, and markers. The inside case back is engine turned silver. It has polished steel dauphine sword hands with luminous inserts, and there are twin recessed rectangular apertures marked NIGHT and DAY bracing the GMT dial at 8 and 4 o'clock. It's water resistant to 30 meters/100 feet, it has a power reserve of 45-hours at full winding, and the 7.23mm thick case, dial, and movement are all signed.

This Jaeger LeCoultre Grande Reverso Ultra Thin Boutique edition Q378858J has a mechanical manual winding caliber 822/2 movement that's rhodium-plated with Cotes de Geneve embellishment. It's constructed with 21 jewels, one barrel, 108 components, and a shock absorber mechanism. It has a straight-line lever escapement, a monometallic balance adjusted for 5 positions, and a self-compensating flat balance spring. The mechanism oscillates at 21,600 vph (3 Hz).

The Jaeger LeCoultre Grande Reverso Ultra Thin Boutique edition Q378858J was introduced in the 2000's, a tribute to the original Grande Reverso of 1931.