Seiko Cal. 4421 - 335

This Automatic model from 1970 features a 39mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-d484944d0edc]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1970

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