Seiko Cal. 4437 - 478

Seiko 4437-478

This Kinetic model from 1966 features a 37mm PVD Black case. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-1a1056dd9ea5]

Also known as: Baby Tuna, Flighty

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
37mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
200m
Dial Color
White
Jewels
31j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1966

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