Seiko Cal. 6638 - 349

The Seiko 6638-349 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-7201bd290593]

Also known as: Helmet, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1970

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