Seiko Cal. 6640 - 665

Seiko 6640-665

This Automatic model from 1969 features a 36mm Gold-Plated case. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-fae0b0184e78]

Also known as: Shogun, UFO

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
9.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Black
Jewels
32j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1969

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