Seiko Cal. 6331 - 774

The Seiko 6331-774 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-df5dfa8e3591]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1974

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