Seiko Cal. 6638 - 646

Seiko 6638-646

This Kinetic model from 1981 features a 44mm Stainless Steel case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-313ee5d2b56e]

Also known as: Shogun, Sea Horse

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1981

Related Models

seikata-wm-313ee5d2b56e