Seiko Cal. 4420 - 453

The 4420-453 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-47e3e597c91c]

Also known as: Tuna, Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1979

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