Seiko Cal. 5284 - 891

The Seiko 5284-891 represents an important milestone in Seiko's 1990 lineup. Powered by the 5284 caliber with 28j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-fe9055b81f09]

Also known as: Monster, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1990

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