Seiko Cal. 3890 - 861

The Seiko 3890-861 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2f74f964be28]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1976

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