Seiko Cal. 6391 - 251

This Automatic model from 1973 features a 41mm Titanium case. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-d0762f011e02]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1973

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