Seiko Cal. 3817 - 283

The Seiko 3817-283 represents an important milestone in Seiko's 1986 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-4c4255f99bee]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1986

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