Seiko Cal. 5641 - 720

Seiko 5641-720

This Kinetic model from 1970 features a 43mm PVD Black case. With its 22mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-dfdbd2d6f4c2]

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
43mm
Case Thickness
15.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Navy
Jewels
34j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1970

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