Seiko Cal. 6638 - 684

The Seiko 6638-684 represents an important milestone in Seiko's 1988 lineup. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-b37b60874659]

Also known as: Samurai

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1988

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