Seiko Cal. 3865 - 986

Released in 1989, the Cal. 3865 with design code 986 was part of Seiko's domestic market collection. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2fa9de999b19]

Also known as: Sumo, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1989

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