Seiko Cal. 5640 - 576

Seiko 5640-576

This Hand-Winding model from 1971 features a 46mm Stainless Steel case. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-69c39817159f]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Navy
Jewels
30j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1971

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seikata-wm-69c39817159f