Seiko Cal. 4521 - 912

The Seiko 4521-912 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-6e8e9b31ac5a]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1981

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