Seiko Cal. 4420 - 733

This Automatic model from 1970 features a 42mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-4d5398a56770]

Also known as: Samurai, Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1970

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