Seiko Cal. 4578 - 494

This Hand-Winding model from 1976 features a 40mm PVD Black case. Powered by the 4578 caliber with 31j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-7cbe24dcb546]

Also known as: Shogun, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1976

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