Seiko Cal. 3861 - 880

Released in 1981, the Cal. 3861 with design code 880 was part of Seiko's domestic market collection. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-34c92eb513ee]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1981

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