Seiko Cal. 6690 - 678

The Seiko 6690-678 represents an important milestone in Seiko's 1967 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-1afcc683fa1d]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1967

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