Seiko Cal. 6284 - 985

This Spring Drive model from 1988 features a 37mm Titanium case. Powered by the 6284 caliber with 31j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-9148e5ab591a]

Also known as: Bullhead, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1988

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