Seiko Cal. 6640 - 995

Seiko 6640-995

This Kinetic model from 1966 features a 45mm Gold-Plated case. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-2d2fa40f33dc]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
13.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Cream
Jewels
18j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1966

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