Seiko Cal. 6638 - 775

This Kinetic model from 1968 features a 42mm Two-Tone case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-79a8bd6dea4f]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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