Seiko Cal. 4420 - 259

The Seiko 4420-259 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-fb09098c1a66]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1973

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