Seiko Cal. 3813 - 111

The Seiko 3813-111 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-cc57af7cd2fb]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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