Seiko Cal. 6639 - 321

Seiko 6639-321

This Kinetic model from 1985 features a 39mm Titanium case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-bd5c211fd411]

Also known as: Monster

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
39mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1985

Related Models

seikata-wm-bd5c211fd411