Seiko Cal. 4578 - 485

The 4578-485 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4578 caliber with 27j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-07cfa890293c]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1984

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