Seiko Cal. 4578 - 341

The 4578-341 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-8bca153cb8e5]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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