Seiko Cal. 6690 - 987

The Seiko 6690-987 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-1d536000e851]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1987

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