Seiko Cal. 5228 - 612

Released in 1970, the Cal. 5228 with design code 612 was part of Seiko's domestic market collection. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-02f1426ed6eb]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1970

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