Two back-to-back dials provide two different faces that are driven by a single manually-wound mechanical movement. Therein lies the very essence of the stainless steel Reverso Classic Medium Duetto, which harbors this second, unsuspected facet like a secret within its case. Its stainless steel strap adds an additional touch of sophistication. CASEStainless SteelDimensions (L x W): 40 x 24 mm WATER RESISTANCE3 bar RECTO DIALSilvered grey, Vertical satin-brushed and guilloché, Black transferred numerals VERSO DIALBlack, Opaline and sunburst guilloché, Frosted numerals RECTO HANDSBâton VERSO HANDSDauphines STRAPStainless Steel JAEGER-LECOULTRE CALIBRE 854B RECTO FUNCTIONSHour - Minute VERSO FUNCTIONSHour - Minute identical on front/back MOVEMENTManual winding, Components: 124, Vibrations per hour: 21600, Jewels: 19, Barrel: 1, Thickness: 3.43mm, Power reserve: 42 hours Q2588120