Seiko Cal. 4420 - 620

This Solar model from 1972 features a 41mm PVD Black case. It features a Burgundy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-a5da30cad7fc]

Also known as: Monster

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1972

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