History of Digital (No. 12)

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  • 1 (2021-01-16 (Sat) 11:36:31)
  • 2 (2021-01-17 (Sun) 17:01:15)
  • 3 (2021-02-14 (Sun) 22:40:54)
  • 4 (2023-07-13 (Thu) 14:28:53)
  • 5 (2023-07-14 (Fri) 21:22:13)
  • 6 (2023-07-27 (Thu) 10:51:40)
  • 7 (2023-07-29 (Sat) 21:48:47)
  • 8 (2023-07-30 (Sun) 13:45:47)
  • 9 (2023-08-01 (Tue) 22:02:42)
  • 10 (2023-11-05 (Sun) 16:51:57)
  • 11 (2024-03-03 (Sun) 22:29:35)
  • 12 (2024-05-31 (Fri) 22:27:57)
  • 13 (2024-11-03 (Sun) 23:13:47)

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From forum The first Japanese LED watches were produced by Ricoh using the Hughes Aircraft 29mm LED module which was something of an early industry standard. These watches wore the Riquartz sub-brand and were produced c1973.

     

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