Seiko Cal. 5643 - 812

The Seiko 5643-812 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ad56ea442d67]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1989

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