Seiko Cal. 4578 - 989

Seiko 4578-989

The 4578-989 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0431beef7a69]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
50m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1972

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seikata-wm-0431beef7a69