Seiko Cal. 6623 - 991

This Solar model from 1969 features a 37mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-560ff328bd69]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1969

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