Seiko Cal. 4578 - 571

The 4578-571 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-76f77c4828dc]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1970

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