Seiko Cal. 6638 - 679

The Seiko 6638-679 represents an important milestone in Seiko's 1996 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-22dceea2b722]

Also known as: Silverwave, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1996

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