Seiko Cal. 4437 - 378

Seiko 4437-378

This Kinetic model from 1969 features a 42mm PVD Black case. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-63a13deeb64f]

Also known as: Monster, Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
42mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Navy
Jewels
26j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1969

Related Models

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