ZRC 300 SPATIALE Antique automatic watch DIVER Cal. PUW 1463 FRENCH MARINE. Measurements: 38 mm without crown and 40 mm with crown. Good condition although with natural wear and tear over time and use. Snap-on crown (not threaded). The ZRC Spatiale 300 won a bronze medal at the 1968 Besançon International Clock Show. ZRC watches were used by divers in the French Navy and by Jacques Cousteau. *** ICONIC WATCH ***