Seiko Cal. 5643 - 627

The Seiko 5643-627 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-bb0882f3e004]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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