Seiko Cal. 4521 - 628

The Seiko 4521-628 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ba986f03fb89]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1968

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