Seiko Cal. 5284 - 870

The Seiko 5284-870 represents an important milestone in Seiko's 1982 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f0ba1bc2f599]

Also known as: UFO, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1982

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