Seiko Cal. 4435 - 320

This Hand-Winding model from 1973 features a 38mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-70a9154845cd]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1973

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