Seiko Cal. 3870 - 441

The Seiko 3870-441 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a923c24f8a1f]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1984

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