Seiko Cal. 6398 - 257

The Seiko 6398-257 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-fd345fc09287]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1969

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