Seiko Cal. 3812 - 521

The Seiko 3812-521 represents an important milestone in Seiko's 1991 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-69baf4d3242c]

Also known as: Rally, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1991

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