Seiko Cal. 7131 - 348

The Seiko 7131-348 represents an important milestone in Seiko's 1994 lineup. Powered by the 7131 caliber with 29j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-425a271071b5]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1994

Related Models

• Seiko 4541-734
• Seiko 6619-110
• Seiko 5257-876
• Seiko 6175-714
• Seiko 4556-265
• Seiko 6686-216
• Seiko 4490-152
• Seiko 7061-736
• Seiko 6199-227
• Seiko 0758-749
• Seiko 5637-522
• Seiko 6172-954