Seiko Cal. 4520 - 250

This Automatic model from 1969 features a 44mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-b8ea53eba20c]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1969

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