Vintage Cruiser Automatic Superflat 41 Jewels Watch

Selling a vintage Cruiser automatic watch. It's a superflat model with 41 jewels. The watch has an unbreakable mainspring and is marked as waterproof with a stainless steel back. The back also indicates it's Swiss made and has Incabloc shock protection. It shows some signs of wear but could be a great find for a collector!