Seiko Cal. 4581 - 403

The Seiko 4581-403 represents an important milestone in Seiko's 1978 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-42e73886761e]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1978

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