Seiko Cal. 4421 - 673

The Seiko 4421-673 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-5d110682c531]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1981

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