Authentic Models

50-Year Calendar



Its origin goes back some 500 years. An early, simple pocket calculator from an era when 50 years were akin to perpetual. Intriguing, also effective… Calculate the day of the week for any given future date, within a 50-year span.

To use, simply rotate dial until the selected year lines up with the selected month. Locate the particular date and find the day of the week above it.

  • Made with Polished Brass Finish for a durable and authentic vintage look.
  • Measures 4.5 inches in height.
  • With its historic background and exquisite details, each of Authentic Model's products are crafted with distinctive design, premium quality, and individual craftsmanship.