Seiko Cal. 4420 - 456

The Seiko 4420-456 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-2bd7976253ca]

Also known as: UFO, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1976

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