Seiko Cal. 3870 - 759

Released in 1979, the Cal. 3870 with design code 759 was part of Seiko's domestic market collection. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-ed5fe9900c0e]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1979

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