Seiko Cal. 3870 - 213

The Seiko 3870-213 represents an important milestone in Seiko's 1981 lineup. With its 22mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-8b10dd8f5001]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1981

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