Seiko Cal. 5638 - 684

The Seiko 5638-684 represents an important milestone in Seiko's 1995 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-af8edfd2cbeb]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1995

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