Seiko Cal. 4582 - 940

The 4582-940 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-ba25729adb80]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1988

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