Seiko Cal. 4528 - 641

The Seiko 4528-641 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-48ee96828d45]

Also known as: Turtle, Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1975

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