Seiko Cal. 3831 - 131

This Automatic model from 1987 features a 41mm Stainless Steel case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ffbc2947fd04]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1987

Related Models

• Seiko 0719-953
• Seiko 6343-698
• Seiko 6217-367
• Seiko 6115-290
• Seiko 0710-519
• Seiko 6153-712
• Seiko 4494-746
• Seiko 0754-695
• Seiko 3836-353
• Seiko 5696-759
• Seiko 3899-882
• Seiko 4577-707