Seiko Cal. 4522 - 728

The Seiko 4522-728 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-fda77fd7b849]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1970

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