Seiko Cal. 6643 - 670

Seiko 6643-670

This Automatic model from 1971 features a 44mm Titanium case. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-89090845d490]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
44mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
70m
Dial Color
White
Jewels
24j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1971

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seikata-wm-89090845d490