Seiko Cal. 3813 - 401

The Seiko 3813-401 represents an important milestone in Seiko's 1998 lineup. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-7c01b8abbefb]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1998

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