Seiko Cal. 6378 - 709

This Solar model from 1978 features a 39mm PVD Black case. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-77a828ed7fa5]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1978

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