The Waltham WAM030 PC21-377 is a rare gold-filled men's tank watch with a sunburst dial pattern, arrow markers, and Arabic numerals. The smooth, fixed bezel and jewelry clasp closure add to its luxury style. It features a quartz movement, water-resistance up to 30m, and a 12-hour dial with a seconds hand and push/pull crown. The watch has a polished case finish and measures 30mm in size. The seller provides a warranty, and the watch is not vintage.