Seiko Cal. 6638 - 444

This Quartz model from 1969 features a 35mm Gold-Plated case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2c9fc92cbd12]

Also known as: Turtle, Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1969

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