Seiko Cal. 4573 - 728

Released in 1983, the Cal. 4573 with design code 728 was part of Seiko's domestic market collection. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-82fdd97966dc]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1983

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