Seiko Cal. 7131 - 215

The Seiko 7131-215 represents an important milestone in Seiko's 1974 lineup. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-42a23b00aa8b]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1974

Related Models

• Seiko 4449-112
• Seiko 4425-157
• Seiko 3840-307
• Seiko 5613-670
• Seiko 6317-228
• Seiko 4594-742
• Seiko 6621-975
• Seiko 6254-529
• Seiko 7070-101
• Seiko 4470-126
• Seiko 6318-265
• Seiko 5696-925