Seiko Cal. 7131 - 507

Seiko 7131-507

This Automatic model from 1990 features a 40mm Stainless Steel case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1ccadafeb058]

Also known as: Crown

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
8.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Green
Jewels
23j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1990

Related Models

seikata-wm-1ccadafeb058