The Jay International Portugal Series Annual Calendar Watch features hour and minute hands, date, day of the week, month, and a dynamic display, all housed in a case measuring 44mm x 15mm. The thickness is moderate, and the curved bezel is smooth and natural. The polished finish is bright and lustrous, while the cutting and polishing of the sapphire crystal is intricate and exceptionally difficult, resulting in a very high scrap rate. The movement is the original IWC 52850 caliber, disassembled for quality assurance.
