Seiko Cal. 4424 - 108

The Seiko 4424-108 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-a5794bb0b26e]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

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