Seiko Cal. 4521 - 628

The Seiko 4521-628 represents an important milestone in Seiko's 1970 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-0240573c0931]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1970

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