Seiko Cal. 6647 - 538

This Quartz model from 1968 features a 44mm Titanium case. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-6923f8162dfd]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1968

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