Seiko Cal. 3871 - 939

The Seiko 3871-939 represents an important milestone in Seiko's 1983 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-dba6746a843a]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1983

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