History of 570016B(No. 3) - Riquartz

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- 1 (2023-08-06 (Sun) 14:10:50)
- 2 (2023-11-11 (Sat) 19:51:36)
- 3 (2023-11-12 (Sun) 22:58:52)
- 4 (2023-11-13 (Mon) 23:06:13)

Case: Tungsten carbide, two piece screw on back with battery bulge, signed "Riquartz 570016B Ricoh Japan"

Dial: Tiger eye with day & date

Movement: Cal 570

Example†

Watch dated Z-74, CMOS marked "7421", quartz tube marked "32K47F", with shock jewel