Seiko Cal. 5664 - 730

Seiko 5664-730

This Hand-Winding model from 1980 features a 44mm Hardlex-Coated Steel case. With its 19mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-7ec5b1e6ddbb]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
14.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
White
Jewels
22j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1980

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