Seiko Cal. 6621 - 764

This Solar model from 1972 features a 36mm PVD Black case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4a2e4bd3fad8]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1972

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