Seiko Cal. 5634 - 285

The Seiko 5634-285 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-8f08813b43af]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1985

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