Seiko Cal. 3861 - 399

This Automatic model from 1976 features a 39mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-09790052630d]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1976

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