Seiko Cal. 5231 - 981

The Seiko 5231-981 represents an important milestone in Seiko's 1997 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-90bb4fb811a2]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1997

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