Seiko Cal. 3880 - 431

The Seiko 3880-431 represents an important milestone in Seiko's 1980 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-64ed75258ec1]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1980

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