Seiko Cal. 4520 - 356

Seiko 4520-356

This Automatic model from 1979 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-70437d94e510]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
11.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Silver
Jewels
26j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1979

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seikata-wm-70437d94e510