Seiko Cal. 6643 - 866

Seiko 6643-866

This Spring Drive model from 1973 features a 39mm PVD Black case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a1ed4c5fa960]

Also known as: Pogue

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
39mm
Case Thickness
12.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
25j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1973

Related Models

seikata-wm-a1ed4c5fa960