Seiko Cal. 7181 - 663

Seiko 7181-663

This Automatic model from 1990 features a 37mm Two-Tone case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-49cb482292b7]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
15.0mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Burgundy
Jewels
31j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1990

Related Models

seikata-wm-49cb482292b7