Seiko Cal. 3813 - 521

The Seiko 3813-521 represents an important milestone in Seiko's 1998 lineup. With its 19mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-a14597de94fa]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1998

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