Seiko Cal. 3864 - 231

The Seiko 3864-231 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-bffd556600bf]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

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