Seiko Cal. 4420 - 564

The Seiko 4420-564 represents an important milestone in Seiko's 1992 lineup. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-91b3e1e6327e]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1992

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