Seiko Cal. 4528 - 388

The Seiko 4528-388 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-985bc320ed2d]

Also known as: Bullhead, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1969

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