Seiko Cal. 4427 - 971

The Seiko 4427-971 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6ce07e2550a3]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1974

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