Seiko Cal. 4428 - 326

Seiko 4428-326

This Automatic model from 1981 features a 40mm Hardlex-Coated Steel case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bc52717d3a34]

Also known as: World Timer

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
60m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1981

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