Seiko Cal. 3831 - 569

The Seiko 3831-569 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-ec33c5626f09]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1979

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