Seiko Cal. 6638 - 679

The Seiko 6638-679 represents an important milestone in Seiko's 1991 lineup. It features a Silver dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-53e5b21a6578]

Also known as: Samurai

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1991

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