Seiko Cal. 6638 - 264

This Quartz model from 1970 features a 39mm Titanium case. Powered by the 6638 caliber with 21j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-4103860c20ef]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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