Seiko Cal. 4420 - 957

The 4420-957 is a sought-after Kinetic piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-0a400f531287]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1967

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