Seiko Cal. 3870 - 817

This Automatic model from 1985 features a 34mm PVD Black case. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-72b8ed90cf6b]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1985

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