Seiko Cal. 6284 - 843

The Seiko 6284-843 represents an important milestone in Seiko's 1969 lineup. Powered by the 6284 caliber with 18j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-6eb7eb22d9e5]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1969

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