Seiko Cal. 5621 - 507

This Spring Drive model from 1981 features a 36mm Stainless Steel case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-26b91567bfd2]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1981

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