Seiko Cal. 6391 - 557

This Spring Drive model from 1969 features a 44mm Two-Tone case. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-c2862b093aa4]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1969

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