Seiko Cal. 3813 - 266

The Seiko 3813-266 represents an important milestone in Seiko's 1982 lineup. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-1eaca38dd5d6]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1982

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