Seiko Cal. 3831 - 975

This Automatic model from 1995 features a 34mm Stainless Steel case. It features a Champagne dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-af7fe7cc1edd]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1995

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