Seiko Cal. 4581 - 287

The Seiko 4581-287 represents an important milestone in Seiko's 1976 lineup. It features a Cream dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-e85013be02b5]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1976

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