Seiko Cal. 6178 - 658

This Quartz model from 1979 features a 42mm PVD Black case. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-7e874f2ae813]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1979

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