Hey guys. Dad gave these to me and said they are rly old. Are they rare or smth? Couldn't find any info in net. Btw the model is casio [1353] abx- 620.
Casio Twincept ABX 620 wristwatch - YouTube
Casio Twincept WR 50M Ana Digi Japan Quartz ABX-20 FORPARTS/REPAIR/WATCHMAKER. | eBay
Casio Twincept ABX 620 wristwatch - YouTube
Rare Vintage CASIO DIGITAL DATA BANK TELEMEMO ABX-620 1353 Japan Made | eBay