Seiko Cal. 6381 - 413

The Seiko 6381-413 represents an important milestone in Seiko's 1984 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-80106f4ae233]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1984

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