Seiko Cal. 6638 - 238

The Seiko 6638-238 represents an important milestone in Seiko's 1997 lineup. It features a Silver dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-7f0c792b16a6]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1997

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