2013 Jaeger-LeCoultre Duometre A Quantieme Lunaire Full Set w Loupe Q6042520
Reference: Q6042520. The caliber 381 is hand-wound with 374 components, 40 jewels, and untreated German silver plates and bridges. Finishing includes Côtes de Genève rayonnantes, chamfered bridge edges, heat-blued screws, and perlage.