Seiko Cal. 6284 - 559

The Seiko 6284-559 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-fa088fe39414]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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