Seiko Cal. 4588 - 221

The 4588-221 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-45f9a737554d]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1987

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