Seiko Cal. 6131 - 275

This Automatic model from 1986 features a 36mm Stainless Steel case. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-0f4232956af6]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1986

Related Models

• Seiko 3838-459
• Seiko 4595-104
• Seiko 3849-104
• Seiko 5266-981
• Seiko 6653-785
• Seiko 6299-650
• Seiko 6197-936
• Seiko 3898-272
• Seiko 6645-228
• Seiko 6195-224
• Seiko 5248-254
• Seiko 3875-680