Seiko Cal. 4446 - 623

Seiko 4446-623

This Spring Drive model from 1978 features a 34mm Hardlex-Coated Steel case. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-8ad54709d2ac]

Also known as: Sumo, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Green
Jewels
20j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1978

Related Models

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