Seiko Cal. 6389 - 284

The Seiko 6389-284 represents an important milestone in Seiko's 1978 lineup. With its 18mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-af3748e9db2e]

Also known as: Navigator, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1978

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