1977-Seiko-Catalog.V1, page 77
2206-0520
reference2206-0520
collection—
caliber2206
year1977
movementAutomatic
dial colourBlue
case colourSilver
case shapeOther
strapBracelet
jewels23
official listedtrue
jewels options17, 23
movement typeautomatic
size mm17.48
height mm5.85
jewels ranfft23
beat aph28800
complicationsDate, Day, Sweep Second
movement shapeRound
movement descautomatic (with hand winding)
sub brandsTime Sonar Day
