Seiko Cal. 5630 - 827

The Seiko 5630-827 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-08aee5981adf]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1971

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