Seiko Cal. 6284 - 634

This Spring Drive model from 1986 features a 34mm PVD Black case. Powered by the 6284 caliber with 19j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-dd426fe2a4f8]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1986

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