vintage unknown, model number 152.0347.3, serial number 06138868, the signed rectangular black dial, 25mm wide, with silver coloured Arabic numerals 11, 1, 5 and 7 placed in respective corners, horizontal batons marking 2,3,4,8,9,10, silver coloured hands, centre sweep and date window at 6 o'clock, quartz movement calibre 152, case, 27mm wide, bezel in black scratch proof ceramic, verso steel, with 4 screws, marked RADO DIASTAR SWISS 152.0347.3 HIGH-TECH CERAMICS SCRATCHPROOF WATERSEALED 06138868, to an integral black ceramic brick link bracelet with signed titanium deployant clasp numbered 04188, presented in a liveried hard pouch with zip fastener