Seiko Cal. 6381 - 738

The Seiko 6381-738 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-6dc2d07b1ae5]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1970

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