Seiko Cal. 3831 - 870

This Hand-Winding model from 1971 features a 42mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-2f2dd0b1cab0]

Also known as: Goldfeather, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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