Seiko Cal. 5697 - 231

The Seiko 5697-231 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-69e6d9e88bb3]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1971

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