Seiko Cal. 5643 - 622

The Seiko 5643-622 represents an important milestone in Seiko's 1969 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-df4e57bfe439]

Also known as: Sumo, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

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