Seiko Cal. 5621 - 487

This Hand-Winding model from 1972 features a 44mm Stainless Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-c99012395bb3]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1972

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