Seiko Cal. 4427 - 797

The Seiko 4427-797 represents an important milestone in Seiko's 1980 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4e51b4cd1a23]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1980

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