Vintage Waltham Dynax C.A. Ceramic Tank Style Dress Watch - Black Dial - 1980s Strap particularly on the bezel under

particularly on the bezel under close inspection

The bracelet design and softly rounded case shape give it a distinctly late-70s to early-80s inspired look

The stepped rectangular layout and integrated bracelet design lean into that classic tank-style aesthetic while keeping it unmistakably Seiko

one for timekeeping and one for calibration

Vintage Waltham Dynax C.A. Ceramic Tank Style Dress Watch - Black Dial - 1980s Strap particularly on the bezel underA striking 1980s Waltham Dynax C. A. dress watch featuring a sleek black dial with gold baton markers and matching gold hands. The geometric rectangular case and stepped octagonal inner frame give the watch a distinctly refined Tank style silhouette, echoing the elegant proportions of classic rectangular dress watches from the era (and a bit of art deco). The ceramic case adds a sleek modern touch, while the gold crown set with a blue cabochon