Seiko Cal. 6284 - 674

The Seiko 6284-674 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-aa0cab6e26e8]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1970

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