Seiko Cal. 4420 - 592

The Seiko 4420-592 represents an important milestone in Seiko's 1974 lineup. With its 22mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-3469044396f6]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1974

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