Seiko Cal. 6221 - 357

This Solar model from 1975 features a 43mm PVD Black case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-41423c4a8240]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

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