Seiko Cal. 5642 - 643

The Seiko 5642-643 represents an important milestone in Seiko's 1991 lineup. Powered by the 5642 caliber with 22j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-5ffa5ae58c66]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1991

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