Seiko Cal. 4578 - 485

Seiko 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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seikata-wm-07cfa890293c