Seiko Cal. 4578 - 418

The 4578-418 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4578 caliber with 21j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-89d2f4ee67bf]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1978

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