Seiko Cal. 4520 - 364

This Spring Drive model from 1984 features a 46mm PVD Black case. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-68d74ffe0192]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1984

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