Seiko Cal. 4424 - 107

The Seiko 4424-107 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-6d32cc5bd3d6]

Also known as: Sumo, Silverwave

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1985

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