Seiko Cal. 5621 - 781

This Kinetic model from 1981 features a 43mm Stainless Steel case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-9acc9ca2d67c]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

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