> CASING
Stainless steel
SEIKO | C153-5007- AKA [Quartz LC]
> CALIBRE
> WATER RESIST
> ORIGINAL PRICE
> BRACELET NO.
FUNCTIONS > 
C153
NONE
N/A
Z-209 [SS]
> INFO
RELEASED | 1979
Seikos first calculator watch the C153 from 1978 with a two tone colour scheme and stylus for pressing the ludicrously small buttons.
SEIKOS WITH C153
Tech Guide
User Guide
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