Seiko Cal. 4584 - 631

This Spring Drive model from 1994 features a 42mm PVD Black case. Powered by the 4584 caliber with 33j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-5a0e6861c0b7]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1994

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