Seiko Cal. 3812 - 913

The Seiko 3812-913 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-66e03cbe8672]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1965

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