Seiko Cal. 5631 - 442

Seiko 5631-442

This Kinetic model from 1982 features a 39mm Hardlex-Coated Steel case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-03a86f682837]

Also known as: World Timer

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Cream
Jewels
20j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1982

Related Models

seikata-wm-03a86f682837