Seiko Cal. 3812 - 981

The Seiko 3812-981 represents an important milestone in Seiko's 1965 lineup. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-8fb2fa137d4a]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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