Seiko Cal. 4478 - 240

This Hand-Winding model from 1996 features a 40mm PVD Black case. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-d8f263f893d1]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1996

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