Seiko Cal. 3831 - 979

This Spring Drive model from 1986 features a 36mm PVD Black case. It features a Champagne dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-6d92a5e15167]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1986

Related Models

• Seiko 5656-670
• Seiko 7113-615
• Seiko 7125-155
• Seiko 6335-637
• Seiko 5685-481
• Seiko 0740-415
• Seiko 7179-103
• Seiko 4437-913
• Seiko 7163-286
• Seiko 4454-481
• Seiko 6323-971
• Seiko 7036-741