Seiko Cal. 6381 - 404

The Seiko 6381-404 represents an important milestone in Seiko's 1975 lineup. With its 21mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-3459725e948a]

Also known as: Samurai, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1975

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