Seiko Cal. 5620 - 779

This Hand-Winding model from 1970 features a 41mm Stainless Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e17b80cc84a1]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1970

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