Vintage Casio BP-100 blood pressure monitor watch full testing

Tests with fingers on proper put
Different between the late and early model can make light during night time
Watch my another Top 8 rare working condition collections that rotated wear 7/365 days
Links:
Casio BP120 blood pressure monitor watch
• Vintage Casio BP-120 b...
Seiko PROA-4A20 pulse graph watch
• Vintage Seiko PROA-4A2...
Seiko A964-4AOA wrist talk watch
• Vintage Seiko A964-4AO...
Casio CMD40 wrist remote control watch
• Vintage Casio CMD-40 w...
Casio Forester FT200 fish in time watch
• (Sold) Vintage Casio F...
Casio GF2 scramble fighter game watch
• Vintage Casio GF-2 scr...
Casio GM20 game watch
• Vintage Casio GM-20 ga...