Seiko Cal. 6640 - 829

Seiko 6640-829

This Spring Drive model from 1991 features a 46mm Gold-Plated case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-b964287ad965]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
White
Jewels
22j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1991

Related Models

seikata-wm-b964287ad965