Jaeger-Lecoultre Reverso night and day Ref 270.340.545 an 18ct white gold reversible wristwatch circa 1998. Dial: one side guilloche salmon with engine turned centre, applied dart hour markers with Arabic numeral quarters, subsidiary dial at 6 for 24-hour night/day indication, the reverse black with engine-turned centre, applied dart hour markers and Arabic numeral quarters, subsidiary seconds at 6. Calibre: manual winding, fully jewelled. Case: 18ct white brushed and polished gold reversible rectangular, reeded ends, quick set button in the band at 2. Case number: 1871562. Closure Jaeger-LeCoultre black leather strap and18ct white gold folding clasp. Dimensions: 36 mm x 26 mm. Signed: case, dial and movement. Accessories: Jaeger-LeCoultre guarantee certificate dated 01/04/1998, booklet, instruction manual and presentation box.