Seiko Cal. 3831 - 650

This Spring Drive model from 1992 features a 42mm Gold-Plated case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-bbbe819ef027]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1992

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