Seiko Cal. 4532 - 631

The Seiko 4532-631 represents an important milestone in Seiko's 1977 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-7a770335e5ac]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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