Seiko Cal. 3863 - 690

The Seiko 3863-690 represents an important milestone in Seiko's 1982 lineup. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-5492f83b7a4d]

Also known as: Turtle, Shogun

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1982

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