Seiko Cal. 4581 - 426

The Seiko 4581-426 represents an important milestone in Seiko's 1982 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6b198e9d83a4]

Also known as: Monster, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1982

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