Seiko Cal. 0731 - 128

The Seiko 0731-128 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-78827eae5bf5]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1981

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