Seiko Cal. 6284 - 340

The Seiko 6284-340 represents an important milestone in Seiko's 1989 lineup. With its 22mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-cfd44255b984]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1989

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