Seiko Cal. 6678 - 697

This Quartz model from 1979 features a 37mm Two-Tone case. With its 18mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-423acea31f5c]

Also known as: Silverwave, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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