Seiko Cal. 3887 - 820

The Seiko 3887-820 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1250d2baeceb]

Also known as: Emperor, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1973

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