Seiko Cal. 4457 - 593

The 4457-593 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-e9a651103c61]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1965

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