Seiko Cal. 3831 - 158

This Automatic model from 1976 features a 34mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-66f2767454bf]

Also known as: UFO, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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