Seiko Cal. 4578 - 188

The 4578-188 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4578 caliber with 21j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-6a989433f2ef]

Also known as: Shogun, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1995

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