Seiko Cal. 5631 - 158

Seiko 5631-158

This Kinetic model from 1978 features a 37mm Titanium case. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-49a8d0d90185]

Also known as: UFO, Crown

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
37mm
Case Thickness
12.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
190m
Dial Color
Green
Jewels
30j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1978

Related Models

seikata-wm-49a8d0d90185