Seiko Cal. 7131 - 499

The Seiko 7131-499 represents an important milestone in Seiko's 1979 lineup. It features a Cream dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-9559048057b7]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1979

Related Models

• Seiko 6242-630
• Seiko 6141-849
• Seiko 4523-231
• Seiko 5254-159
• Seiko 7157-835
• Seiko 7137-297
• Seiko 7043-705
• Seiko 5673-818
• Seiko 3872-811
• Seiko 6146-323
• Seiko 6378-871
• Seiko 3814-648