Seiko Cal. 6278 - 916

This Spring Drive model from 1983 features a 39mm PVD Black case. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-6815ad94ea76]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1983

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