Seiko Cal. 6390 - 171

The Seiko 6390-171 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-cd10b7d9bbd6]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1976

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