Seiko Cal. 3813 - 763

The Seiko 3813-763 represents an important milestone in Seiko's 1988 lineup. With its 22mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-d414ff8b2685]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1988

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