Seiko Cal. 4420 - 563

The 4420-563 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-dbe7414aa15d]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

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