Seiko Cal. 3870 - 817

This Hand-Winding model from 1989 features a 36mm PVD Black case. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-f328539ba0ff]

Also known as: Turtle, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1989

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