Seiko Cal. 4520 - 171

This Hand-Winding model from 1997 features a 45mm Stainless Steel case. With its 22mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-41d36baa2d78]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1997

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