Seiko Cal. 5653 - 978

This Hand-Winding model from 1984 features a 42mm PVD Black case. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-99d8a5e5f6e4]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1984

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