Seiko Cal. 5641 - 644

Seiko 5641-644

This Hand-Winding model from 1973 features a 40mm Hardlex-Coated Steel case. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-1dbd5e460823]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
White
Jewels
35j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1973

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seikata-wm-1dbd5e460823