Seiko Cal. 6622 - 751

This Spring Drive model from 1977 features a 36mm Two-Tone case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-549c07b32b8e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1977

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