Seiko Cal. 3870 - 192

The Seiko 3870-192 represents an important milestone in Seiko's 1970 lineup. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-c908d7eda055]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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