Seiko Cal. 6689 - 768

This Spring Drive model from 1989 features a 37mm PVD Black case. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-6a720d1aa9cb]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1989

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