Seiko Cal. 4581 - 987

The Seiko 4581-987 represents an important milestone in Seiko's 1998 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-a7dbab27a8bd]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1998

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