Seiko Cal. 3831 - 478

This Automatic model from 1994 features a 46mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-2a4f721ef211]

Also known as: Shogun, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1994

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