Seiko Cal. 5638 - 725

The Seiko 5638-725 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-127737ec3411]

Also known as: Samurai, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1985

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