Seiko Cal. 4520 - 271

Seiko 4520-271

This Hand-Winding model from 1968 features a 43mm Hardlex-Coated Steel case. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-b43a50f2ac92]

Also known as: Sumo, Shogun

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Black
Jewels
32j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1968

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