Platinum Watch Case Co
of Treasure House, 19-21 Hatton Garden, London, EC1. Telephone: Holborn 7731. Cables: "Platwatch, Smith, London"
- 1947 Listed Exhibitor - British Industries Fair. Producers of Artistic Designs in Gold and Platinum Gem-Set Rings, Clips, Earrings and Brooches. Clocks. Wristlet, Pocket and Diamond-Set Watches. [1]