CASIO EDIFICE - The EDIFICE EQS-910 series Solar Powered chronograph with carbon fibre bezel. The world of motorsports, distilled into a timepiece. https://products.edifice-watches.com/asia-mea/en/_detail/EQS-910D-1AV/ | Facebook
Edifice EQS-910 User Manual / Casio Module 5587
1980's Casio Scientific Calculator Boxed With Case and - Etsy