Seiko Cal. 3831 - 340

This Automatic model from 1997 features a 37mm Stainless Steel case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-97fd5611eb94]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1997

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