Seiko Cal. 7131 - 859

This Spring Drive model from 1984 features a 44mm Titanium case. With its 18mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-cd27677a0be3]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1984

Related Models

• Seiko 6352-237
• Seiko 4417-541
• Seiko 3847-444
• Seiko 7099-887
• Seiko 6355-439
• Seiko 3888-754
• Seiko 4549-595
• Seiko 5654-386
• Seiko 3875-628
• Seiko 4516-419
• Seiko 3829-119
• Seiko 6177-837