Seiko Cal. 3831 - 409

Released in 1974, the Cal. 3831 with design code 409 was part of Seiko's domestic market collection. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-b4c4cf3be476]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1974

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