Seiko Cal. 4528 - 621

The Seiko 4528-621 represents an important milestone in Seiko's 1979 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ea9466fa491c]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1979

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