Seiko Cal. 7023 - 331

The Seiko 7023-331 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-2212e5954acb]

Also known as: Crown, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

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