Seiko Cal. 4446 - 343

Seiko 4446-343

This Spring Drive model from 1985 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-b3f7c76fc23c]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Champagne
Jewels
28j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1985

Related Models

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