Seiko Cal. 3870 - 814

The Seiko 3870-814 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9535e3b80ea2]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1970

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