Citizen Castalia Square Circa. 1970s other bezel has minor discolorisation on

bezel has minor discolorisation on the bottom right

It’s hard not to label any square- or rectangular-biased watch as a “Tank”

with a smooth bezel and dotted minute markers

indicating it was just before the rise of japanese quartz

This piece was from our own @chrono

Citizen Castalia Square Circa. 1970s other bezel has minor discolorisation onMaker citizen Model castalia 4 850637 s Movement quartz Dimension 20mm x 24mm (with lugs) Glass Condition minor glass scratches Dial Condition No dial corrosion Case Condition 9 10 with hairline signs. Waterproof As they are Vintage pieces, please do not fully submerge the watch and minimal contact during hand washing Watch Summary a unique square like tank from the late 70s. unique U shape lugs on a 20 mm lug width. Relatively odd for such a small