Seiko Cal. 4423 - 457

The Seiko 4423-457 represents an important milestone in Seiko's 1983 lineup. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-6a4e70e4dfa3]

Also known as: Tuna, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1983

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