Seiko Cal. 5630 - 422

The Seiko 5630-422 represents an important milestone in Seiko's 1988 lineup. Powered by the 5630 caliber with 21j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-ed4e9009cdb4]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1988

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