Seiko Cal. 6678 - 919

This Spring Drive model from 1977 features a 40mm Two-Tone case. With its 19mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-ee94771ce0ee]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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