Seiko Cal. 4521 - 533

Seiko 4521-533

This Spring Drive model from 1972 features a 43mm Hardlex-Coated Steel case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-e2ae921c6a26]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1972

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seikata-wm-e2ae921c6a26