Swiss. 1940s. Gold-Filled. WWII Canadian market "24-Hour" dial. Rolex "Oyster" "OYSTER COMMANDER SHOCK RESISTING SWISS MADE". 1.25". Very Good. Dial exhibits minor fading. Case is worn through to base metal at high points, edges. Original "Oyster" crown is heavily worn. Functioning. 600-800. CODE-WAT