Seiko Cal. 6638 - 844

The Seiko 6638-844 represents an important milestone in Seiko's 1998 lineup. It features a Cream dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-6540511a9817]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1998

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