5738/50J-010Ref

Launched in 2026 as a 15-piece limited edition, the 5738/50J-010 features a 34.5 x 39.5 mm yellow gold case with a solid back and a dial showcasing cloisonné enamel, paillonné enamel, and miniature painting of Mount Merapi. The dial requires 7.6 cm of gold wire, six enamel shades, and 10 firings at 770°C, while the case back bears a volcano engraving. It is powered by the 152-part caliber 240 and paired with a shiny dark chestnut alligator strap featuring a yellow gold prong buckle.