Seiko Cal. 4421 - 550

Seiko 4421-550

This Spring Drive model from 1970 features a 36mm Titanium case. It features a White dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-0f43a6a94e55]

Also known as: Flighty

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
36mm
Case Thickness
14.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1970

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