Seiko Cal. 6312 - 915

This Spring Drive model from 1979 features a 36mm PVD Black case. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-7ccfadccc2a5]

Also known as: Navigator, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1979

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