Seiko Cal. 7031 - 523

The Seiko 7031-523 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e26fb203e852]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1985

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