Seiko Cal. 6131 - 471

This Automatic model from 1981 features a 38mm Gold-Plated case. With its 18mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-15fd1921bd77]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1981

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