Seiko Cal. 3889 - 931

The Seiko 3889-931 represents an important milestone in Seiko's 1972 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-7fc26fb581f2]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1972

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